213012233032 has 32 divisors (see below), whose sum is σ = 402740278200. Its totient is φ = 105617995264.

The previous prime is 213012233003. The next prime is 213012233033. The reversal of 213012233032 is 230332210312.

It can be written as a sum of positive squares in 4 ways, for example, as 211109005156 + 1903227876 = 459466^2 + 43626^2 .

It is a super-2 number, since 2×213012233032² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213012232994 and 213012233012.

It is not an unprimeable number, because it can be changed into a prime (213012233033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340548 + ... + 736204.

Almost surely, 2^213012233032 is an apocalyptic number.

It is an amenable number.

213012233032 is a deficient number, since it is larger than the sum of its proper divisors (189728045168).

213012233032 is a wasteful number, since it uses less digits than its factorization.

213012233032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396225 (or 396221 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 213012233032 its reverse (230332210312), we get a palindrome (443344443344).

The spelling of 213012233032 in words is "two hundred thirteen billion, twelve million, two hundred thirty-three thousand, thirty-two".