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121011102210012 = 22377319734361091
BaseRepresentation
bin11011100000111100010111…
…110000101101011111011100
3120212110112210202222011102220
4123200330113300231133130
5111330121214131210022
61105211422150145340
734326522631154340
oct3340742760553734
9525415722864386
10121011102210012
113561557a498883
12116a4919352250
13526a3b4858541
1421c4d7bb91620
15decb9a8ea85c
hex6e0f17c2d7dc

121011102210012 has 48 divisors (see below), whose sum is σ = 327116769460992. Its totient is φ = 34100975963520.

The previous prime is 121011102209981. The next prime is 121011102210041. The reversal of 121011102210012 is 210012201110121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121011102209973 and 121011102210000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9867174414 + ... + 9867186677.

It is an arithmetic number, because the mean of its divisors is an integer number (6814932697104).

Almost surely, 2121011102210012 is an apocalyptic number.

121011102210012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121011102210012 is an abundant number, since it is smaller than the sum of its proper divisors (206105667250980).

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

121011102210012 is a wasteful number, since it uses less digits than its factorization.

121011102210012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19734361178 (or 19734361176 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 121011102210012 its reverse (210012201110121), we get a palindrome (331023303320133).

The spelling of 121011102210012 in words is "one hundred twenty-one trillion, eleven billion, one hundred two million, two hundred ten thousand, twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 73 84 146 219 292 438 511 876 1022 1533 2044 3066 6132 19734361091 39468722182 59203083273 78937444364 118406166546 138140527637 236812333092 276281055274 414421582911 552562110548 828843165822 1440608359643 1657686331644 2881216719286 4321825078929 5762433438572 8643650157858 10084258517501 17287300315716 20168517035002 30252775552503 40337034070004 60505551105006 121011102210012