113125212 has 36 divisors (see below), whose sum is σ = 290229576. Its totient is φ = 37144800.

The previous prime is 113125211. The next prime is 113125291. The reversal of 113125212 is 212521311.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113125211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21039 + ... + 25862.

Almost surely, 2^113125212 is an apocalyptic number.

113125212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

113125212 is an abundant number, since it is smaller than the sum of its proper divisors (177104364).

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

113125212 is a wasteful number, since it uses less digits than its factorization.

113125212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46978 (or 46973 counting only the distinct ones).

The product of its digits is 120, while the sum is 18.

The square root of 113125212 is about 10636.0336592171. The cubic root of 113125212 is about 483.6373156600.

Adding to 113125212 its reverse (212521311), we get a palindrome (325646523).

The spelling of 113125212 in words is "one hundred thirteen million, one hundred twenty-five thousand, two hundred twelve".