213112120232 has 24 divisors (see below), whose sum is σ = 439213514250. Its totient is φ = 96869145120.

The previous prime is 213112120183. The next prime is 213112120267. The reversal of 213112120232 is 232021211312.

It can be written as a sum of positive squares in only one way, i.e., 168942372676 + 44169747556 = 411026^2 + 210166^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 110077607 + ... + 110079542.

Almost surely, 2^213112120232 is an apocalyptic number.

213112120232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

213112120232 is an abundant number, since it is smaller than the sum of its proper divisors (226101394018).

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

213112120232 is a wasteful number, since it uses less digits than its factorization.

213112120232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220157177 (or 220157162 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 213112120232 its reverse (232021211312), we get a palindrome (445133331544).

The spelling of 213112120232 in words is "two hundred thirteen billion, one hundred twelve million, one hundred twenty thousand, two hundred thirty-two".