213232220412 has 24 divisors (see below), whose sum is σ = 497567621376. Its totient is φ = 71073724848.

The previous prime is 213232220393. The next prime is 213232220441. The reversal of 213232220412 is 214022232312.

213232220412 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213658 + ... + 687105.

It is an arithmetic number, because the mean of its divisors is an integer number (20731984224).

Almost surely, 2^213232220412 is an apocalyptic number.

It is an amenable number.

213232220412 is an abundant number, since it is smaller than the sum of its proper divisors (284335400964).

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

213232220412 is a wasteful number, since it uses less digits than its factorization.

213232220412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920497 (or 920495 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 213232220412 its reverse (214022232312), we get a palindrome (427254452724).

The spelling of 213232220412 in words is "two hundred thirteen billion, two hundred thirty-two million, two hundred twenty thousand, four hundred twelve".