113122012 has 24 divisors (see below), whose sum is σ = 210119616. Its totient is φ = 53104128.

The previous prime is 113122003. The next prime is 113122019. The reversal of 113122012 is 210221311.

It is a junction number, because it is equal to n+sod(n) for n = 113121983 and 113122001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113122019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29688 + ... + 33280.

It is an arithmetic number, because the mean of its divisors is an integer number (8754984).

Almost surely, 2^113122012 is an apocalyptic number.

It is an amenable number.

113122012 is a deficient number, since it is larger than the sum of its proper divisors (96997604).

113122012 is a wasteful number, since it uses less digits than its factorization.

113122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4077 (or 4075 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 113122012 is about 10635.8832261359. The cubic root of 113122012 is about 483.6327553621.

Adding to 113122012 its reverse (210221311), we get a palindrome (323343323).

The spelling of 113122012 in words is "one hundred thirteen million, one hundred twenty-two thousand, twelve".