113121212232012 has 48 divisors (see below), whose sum is σ = 264033226232832. Its totient is φ = 37695111027840.

The previous prime is 113121212232011. The next prime is 113121212232029. The reversal of 113121212232012 is 210232212121311.

It is not an unprimeable number, because it can be changed into a prime (113121212232011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 516692433 + ... + 516911319.

It is an arithmetic number, because the mean of its divisors is an integer number (5500692213184).

Almost surely, 2^{113121212232012} is an apocalyptic number.

113121212232012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

113121212232012 is an abundant number, since it is smaller than the sum of its proper divisors (150912014000820).

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

113121212232012 is a wasteful number, since it uses less digits than its factorization.

113121212232012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232358 (or 232356 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 113121212232012 its reverse (210232212121311), we get a palindrome (323353424353323).

The spelling of 113121212232012 in words is "one hundred thirteen trillion, one hundred twenty-one billion, two hundred twelve million, two hundred thirty-two thousand, twelve".