213122092 has 24 divisors (see below), whose sum is σ = 379330560. Its totient is φ = 104754000.

The previous prime is 213122089. The next prime is 213122093. The reversal of 213122092 is 290221312.

It is not an unprimeable number, because it can be changed into a prime (213122093) 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, 77973 + ... + 80659.

It is an arithmetic number, because the mean of its divisors is an integer number (15805440).

Almost surely, 2^213122092 is an apocalyptic number.

It is an amenable number.

213122092 is a deficient number, since it is larger than the sum of its proper divisors (166208468).

213122092 is a wasteful number, since it uses less digits than its factorization.

213122092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3021 (or 3019 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 213122092 is about 14598.7017230985. The cubic root of 213122092 is about 597.3233473443.

It can be divided in two parts, 2131220 and 92, that added together give a palindrome (2131312).

The spelling of 213122092 in words is "two hundred thirteen million, one hundred twenty-two thousand, ninety-two".