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12211120012110 = 2352777146574481
BaseRepresentation
bin1011000110110001111101…
…1110000111101101001110
31121020101000221121221012020
42301230133132013231032
53100031333210341420
641545413332351010
72400136636343625
oct261543736075516
947211027557166
1012211120012110
1139887859a3758
12145271b475466
136a7671765986
143030428906bc
1516298c73d340
hexb1b1f787b4e

12211120012110 has 32 divisors (see below), whose sum is σ = 29317241591712. Its totient is φ = 3255126051840.

The previous prime is 12211120012067. The next prime is 12211120012127. The reversal of 12211120012110 is 1121002111221.

It is a happy number.

It is a super-2 number, since 2×122111200121102 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12211120012110.

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, 73203931 + ... + 73370550.

It is an arithmetic number, because the mean of its divisors is an integer number (916163799741).

Almost surely, 212211120012110 is an apocalyptic number.

12211120012110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12211120012110 is an abundant number, since it is smaller than the sum of its proper divisors (17106121579602).

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

12211120012110 is a wasteful number, since it uses less digits than its factorization.

12211120012110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146577268.

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

Adding to 12211120012110 its reverse (1121002111221), we get a palindrome (13332122123331).

The spelling of 12211120012110 in words is "twelve trillion, two hundred eleven billion, one hundred twenty million, twelve thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 15 30 2777 5554 8331 13885 16662 27770 41655 83310 146574481 293148962 439723443 732872405 879446886 1465744810 2198617215 4397234430 407037333737 814074667474 1221112001211 2035186668685 2442224002422 4070373337370 6105560006055 12211120012110