312203020212312 has 32 divisors (see below), whose sum is σ = 793736492068800. Its totient is φ = 102303814532384.

The previous prime is 312203020212277. The next prime is 312203020212331. The reversal of 312203020212312 is 213212020302213.

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, 110241178038 + ... + 110241180869.

It is an arithmetic number, because the mean of its divisors is an integer number (24804265377150).

Almost surely, 2^{312203020212312} is an apocalyptic number.

It is an amenable number.

312203020212312 is an abundant number, since it is smaller than the sum of its proper divisors (481533471856488).

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

312203020212312 is a wasteful number, since it uses less digits than its factorization.

312203020212312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220482358975 (or 220482358971 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 312203020212312 its reverse (213212020302213), we get a palindrome (525415040514525).

The spelling of 312203020212312 in words is "three hundred twelve trillion, two hundred three billion, twenty million, two hundred twelve thousand, three hundred twelve".