212112133232 has 40 divisors (see below), whose sum is σ = 412497445200. Its totient is φ = 105661919232.

The previous prime is 212112133171. The next prime is 212112133243. The reversal of 212112133232 is 232331211212.

It is a junction number, because it is equal to n+sod(n) for n = 212112133198 and 212112133207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4676519 + ... + 4721657.

It is an arithmetic number, because the mean of its divisors is an integer number (10312436130).

Almost surely, 2^212112133232 is an apocalyptic number.

It is an amenable number.

212112133232 is a deficient number, since it is larger than the sum of its proper divisors (200385311968).

212112133232 is a wasteful number, since it uses less digits than its factorization.

212112133232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46233 (or 46227 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

Adding to 212112133232 its reverse (232331211212), we get a palindrome (444443344444).

The spelling of 212112133232 in words is "two hundred twelve billion, one hundred twelve million, one hundred thirty-three thousand, two hundred thirty-two".