212320031412 has 48 divisors (see below), whose sum is σ = 496251927360. Its totient is φ = 70653666048.

The previous prime is 212320031383. The next prime is 212320031449. The reversal of 212320031412 is 214130023212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18669664 + ... + 18681032.

It is an arithmetic number, because the mean of its divisors is an integer number (10338581820).

Almost surely, 2^212320031412 is an apocalyptic number.

It is an amenable number.

212320031412 is an abundant number, since it is smaller than the sum of its proper divisors (283931895948).

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

212320031412 is a wasteful number, since it uses less digits than its factorization.

212320031412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13872 (or 13870 counting only the distinct ones).

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

Adding to 212320031412 its reverse (214130023212), we get a palindrome (426450054624).

The spelling of 212320031412 in words is "two hundred twelve billion, three hundred twenty million, thirty-one thousand, four hundred twelve".