111240425212 has 12 divisors (see below), whose sum is σ = 222480850480. Its totient is φ = 47674467936.

The previous prime is 111240425209. The next prime is 111240425213. The reversal of 111240425212 is 212524042111.

111240425212 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111240425213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1986436137 + ... + 1986436192.

Almost surely, 2^111240425212 is an apocalyptic number.

It is an amenable number.

111240425212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

111240425212 is a wasteful number, since it uses less digits than its factorization.

111240425212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3972872340 (or 3972872338 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

Adding to 111240425212 its reverse (212524042111), we get a palindrome (323764467323).

The spelling of 111240425212 in words is "one hundred eleven billion, two hundred forty million, four hundred twenty-five thousand, two hundred twelve".