11232312120 has 80 divisors (see below), whose sum is σ = 37753059960. Its totient is φ = 2995282368.

The previous prime is 11232312079. The next prime is 11232312127. The reversal of 11232312120 is 2121323211.

11232312120 is a `hidden beast` number, since 1 + 1 + 232 + 312 + 120 = 666.

It is a super-2 number, since 2×11232312120² (a number of 21 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 11232312093 and 11232312102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11232312127) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1730142 + ... + 1736621.

Almost surely, 2^11232312120 is an apocalyptic number.

11232312120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11232312120 is an abundant number, since it is smaller than the sum of its proper divisors (26520747840).

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

11232312120 is a wasteful number, since it uses less digits than its factorization.

11232312120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3466786 (or 3466773 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11232312120 its reverse (2121323211), we get a palindrome (13353635331).

The spelling of 11232312120 in words is "eleven billion, two hundred thirty-two million, three hundred twelve thousand, one hundred twenty".