312212020120113 has 8 divisors (see below), whose sum is σ = 427533577101568. Its totient is φ = 202515904942704.

The previous prime is 312212020120109. The next prime is 312212020120139. The reversal of 312212020120113 is 311021020212213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 312212020120113 - 2² = 312212020120109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 312212020120113.

It is not an unprimeable number, because it can be changed into a prime (312212020120193) 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, 1406360450881 + ... + 1406360451102.

It is an arithmetic number, because the mean of its divisors is an integer number (53441697137696).

Almost surely, 2^{312212020120113} is an apocalyptic number.

It is an amenable number.

312212020120113 is a deficient number, since it is larger than the sum of its proper divisors (115321556981455).

312212020120113 is a wasteful number, since it uses less digits than its factorization.

312212020120113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2812720902023.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 312212020120113 its reverse (311021020212213), we get a palindrome (623233040332326).

The spelling of 312212020120113 in words is "three hundred twelve trillion, two hundred twelve billion, twenty million, one hundred twenty thousand, one hundred thirteen".