213222013012 has 24 divisors (see below), whose sum is σ = 385382638592. Its totient is φ = 103116391200.

The previous prime is 213222012977. The next prime is 213222013019. The reversal of 213222013012 is 210310222312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213222013019) 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, 231228 + ... + 692755.

Almost surely, 2^213222013012 is an apocalyptic number.

It is an amenable number.

213222013012 is a deficient number, since it is larger than the sum of its proper divisors (172160625580).

213222013012 is a wasteful number, since it uses less digits than its factorization.

213222013012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925879 (or 925877 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 213222013012 its reverse (210310222312), we get a palindrome (423532235324).

The spelling of 213222013012 in words is "two hundred thirteen billion, two hundred twenty-two million, thirteen thousand, twelve".