20313412212 has 12 divisors (see below), whose sum is σ = 47397961856. Its totient is φ = 6771137400.

The previous prime is 20313412211. The next prime is 20313412241. The reversal of 20313412212 is 21221431302.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20313412211) 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, 846392164 + ... + 846392187.

Almost surely, 2^20313412212 is an apocalyptic number.

It is an amenable number.

20313412212 is an abundant number, since it is smaller than the sum of its proper divisors (27084549644).

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

20313412212 is a wasteful number, since it uses less digits than its factorization.

20313412212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1692784358 (or 1692784356 counting only the distinct ones).

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

Adding to 20313412212 its reverse (21221431302), we get a palindrome (41534843514).

The spelling of 20313412212 in words is "twenty billion, three hundred thirteen million, four hundred twelve thousand, two hundred twelve".