213322121032 has 16 divisors (see below), whose sum is σ = 413771355900. Its totient is φ = 102983092800.

The previous prime is 213322121009. The next prime is 213322121039. The reversal of 213322121032 is 230121223312.

It can be written as a sum of positive squares in 2 ways, for example, as 210180070116 + 3142050916 = 458454^2 + 56054^2 .

It is a junction number, because it is equal to n+sod(n) for n = 213322120994 and 213322121012.

It is not an unprimeable number, because it can be changed into a prime (213322121039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459745719 + ... + 459746182.

Almost surely, 2^213322121032 is an apocalyptic number.

It is an amenable number.

213322121032 is a deficient number, since it is larger than the sum of its proper divisors (200449234868).

213322121032 is a wasteful number, since it uses less digits than its factorization.

213322121032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919491936 (or 919491932 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 213322121032 its reverse (230121223312), we get a palindrome (443443344344).

The spelling of 213322121032 in words is "two hundred thirteen billion, three hundred twenty-two million, one hundred twenty-one thousand, thirty-two".