12111123131202 has 16 divisors (see below), whose sum is σ = 24225158740032. Its totient is φ = 4036555630800.

The previous prime is 12111123131171. The next prime is 12111123131231. The reversal of 12111123131202 is 20213132111121.

It is a super-2 number, since 2×12111123131202² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121299174 + ... + 121398977.

It is an arithmetic number, because the mean of its divisors is an integer number (1514072421252).

Almost surely, 2^{12111123131202} is an apocalyptic number.

12111123131202 is an abundant number, since it is smaller than the sum of its proper divisors (12114035608830).

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

12111123131202 is a wasteful number, since it uses less digits than its factorization.

12111123131202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242706473.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 12111123131202 its reverse (20213132111121), we get a palindrome (32324255242323).

The spelling of 12111123131202 in words is "twelve trillion, one hundred eleven billion, one hundred twenty-three million, one hundred thirty-one thousand, two hundred two".