312012343254 has 16 divisors (see below), whose sum is σ = 625628867760. Its totient is φ = 103736750880.

The previous prime is 312012343243. The next prime is 312012343277. The reversal of 312012343254 is 452343210213.

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, 66838357 + ... + 66843024.

It is an arithmetic number, because the mean of its divisors is an integer number (39101804235).

Almost surely, 2^312012343254 is an apocalyptic number.

312012343254 is an abundant number, since it is smaller than the sum of its proper divisors (313616524506).

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

312012343254 is a wasteful number, since it uses less digits than its factorization.

312012343254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133681775.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 312012343254 its reverse (452343210213), we get a palindrome (764355553467).

The spelling of 312012343254 in words is "three hundred twelve billion, twelve million, three hundred forty-three thousand, two hundred fifty-four".