113000131212 has 48 divisors (see below), whose sum is σ = 268791772032. Its totient is φ = 36941223040.

The previous prime is 113000131147. The next prime is 113000131243. The reversal of 113000131212 is 212131000311.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 113000131191 and 113000131200.

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, 277614 + ... + 550517.

It is an arithmetic number, because the mean of its divisors is an integer number (5599828584).

Almost surely, 2^113000131212 is an apocalyptic number.

113000131212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

113000131212 is an abundant number, since it is smaller than the sum of its proper divisors (155791640820).

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

113000131212 is a wasteful number, since it uses less digits than its factorization.

113000131212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828358 (or 828356 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 113000131212 its reverse (212131000311), we get a palindrome (325131131523).

The spelling of 113000131212 in words is "one hundred thirteen billion, one hundred thirty-one thousand, two hundred twelve".