113331123012 has 48 divisors (see below), whose sum is σ = 285146366400. Its totient is φ = 34915875840.

The previous prime is 113331123007. The next prime is 113331123029. The reversal of 113331123012 is 210321133311.

It is a happy number.

It is a super-2 number, since 2×113331123012² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 113331123012.

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, 6052437 + ... + 6071132.

It is an arithmetic number, because the mean of its divisors is an integer number (5940549300).

Almost surely, 2^113331123012 is an apocalyptic number.

113331123012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

113331123012 is an abundant number, since it is smaller than the sum of its proper divisors (171815243388).

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

113331123012 is a wasteful number, since it uses less digits than its factorization.

113331123012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12123636 (or 12123634 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 113331123012 its reverse (210321133311), we get a palindrome (323652256323).

The spelling of 113331123012 in words is "one hundred thirteen billion, three hundred thirty-one million, one hundred twenty-three thousand, twelve".