212113220232 has 64 divisors (see below), whose sum is σ = 544823838720. Its totient is φ = 68767100928.

The previous prime is 212113220227. The next prime is 212113220381. The reversal of 212113220232 is 232022311212.

It is a junction number, because it is equal to n+sod(n) for n = 212113220199 and 212113220208.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2341608 + ... + 2430504.

It is an arithmetic number, because the mean of its divisors is an integer number (8512872480).

Almost surely, 2^212113220232 is an apocalyptic number.

It is an amenable number.

212113220232 is an abundant number, since it is smaller than the sum of its proper divisors (332710618488).

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

212113220232 is a wasteful number, since it uses less digits than its factorization.

212113220232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91630 (or 91626 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 212113220232 its reverse (232022311212), we get a palindrome (444135531444).

The spelling of 212113220232 in words is "two hundred twelve billion, one hundred thirteen million, two hundred twenty thousand, two hundred thirty-two".