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11212111213002 = 23271726309198959
BaseRepresentation
bin1010001100101000010111…
…1001111111000111001010
31110200212102022022201201100
42203022011321333013022
52432144400432304002
635502434531002230
72235022365560250
oct243120571770712
943625368281640
1011212111213002
113633036531757
121310b95439376
136343b394624b
142aa951d445d0
151469bd01b11c
hexa3285e7f1ca

11212111213002 has 96 divisors (see below), whose sum is σ = 29397724761600. Its totient is φ = 3014891748864.

The previous prime is 11212111212979. The next prime is 11212111213003. The reversal of 11212111213002 is 20031211121211.

It is a happy number.

11212111213002 is a `hidden beast` number, since 11 + 21 + 211 + 121 + 300 + 2 = 666.

It is a super-2 number, since 2×112121112130022 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (11212111213003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 56254399 + ... + 56453357.

It is an arithmetic number, because the mean of its divisors is an integer number (306226299600).

Almost surely, 211212111213002 is an apocalyptic number.

11212111213002 is an abundant number, since it is smaller than the sum of its proper divisors (18185613548598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11212111213002 is a wasteful number, since it uses less digits than its factorization.

11212111213002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225300 (or 225297 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 11212111213002 its reverse (20031211121211), we get a palindrome (31243322334213).

The spelling of 11212111213002 in words is "eleven trillion, two hundred twelve billion, one hundred eleven million, two hundred thirteen thousand, two".

Divisors: 1 2 3 6 7 9 14 17 18 21 34 42 51 63 102 119 126 153 238 306 357 714 1071 2142 26309 52618 78927 157854 184163 198959 236781 368326 397918 447253 473562 552489 596877 894506 1104978 1193754 1341759 1392713 1657467 1790631 2683518 2785426 3130771 3314934 3382303 3581262 4025277 4178139 6261542 6764606 8050554 8356278 9392313 10146909 12534417 18784626 20293818 23676121 25068834 28176939 30440727 47352242 56353878 60881454 71028363 142056726 213085089 426170178 5234412331 10468824662 15703236993 31406473986 36640886317 47109710979 73281772634 88985009627 94219421958 109922658951 177970019254 219845317902 266955028881 329767976853 533910057762 622895067389 659535953706 800865086643 1245790134778 1601730173286 1868685202167 3737370404334 5606055606501 11212111213002