213122022132 has 24 divisors (see below), whose sum is σ = 497315081536. Its totient is φ = 71036336448.

The previous prime is 213122022037. The next prime is 213122022133. The reversal of 213122022132 is 231220221312.

It is a junction number, because it is equal to n+sod(n) for n = 213122022099 and 213122022108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213122022133) 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, 334288 + ... + 733479.

Almost surely, 2^213122022132 is an apocalyptic number.

It is an amenable number.

213122022132 is an abundant number, since it is smaller than the sum of its proper divisors (284193059404).

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

213122022132 is a wasteful number, since it uses less digits than its factorization.

213122022132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084407 (or 1084405 counting only the distinct ones).

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

Adding to 213122022132 its reverse (231220221312), we get a palindrome (444342243444).

The spelling of 213122022132 in words is "two hundred thirteen billion, one hundred twenty-two million, twenty-two thousand, one hundred thirty-two".