20313013212312 has 32 divisors (see below), whose sum is σ = 53769740857200. Its totient is φ = 6372710027264.

The previous prime is 20313013212263. The next prime is 20313013212377. The reversal of 20313013212312 is 21321231031302.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 24893398137 + ... + 24893398952.

Almost surely, 2^{20313013212312} is an apocalyptic number.

It is an amenable number.

20313013212312 is an abundant number, since it is smaller than the sum of its proper divisors (33456727644888).

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

20313013212312 is a wasteful number, since it uses less digits than its factorization.

20313013212312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49786797115 (or 49786797111 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 20313013212312 its reverse (21321231031302), we get a palindrome (41634244243614).

The spelling of 20313013212312 in words is "twenty trillion, three hundred thirteen billion, thirteen million, two hundred twelve thousand, three hundred twelve".