312154001012 has 24 divisors (see below), whose sum is σ = 657166319040. Its totient is φ = 126739218240.

The previous prime is 312154000999. The next prime is 312154001017. The reversal of 312154001012 is 210100451213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312154001017) 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, 293377289 + ... + 293378352.

It is an arithmetic number, because the mean of its divisors is an integer number (27381929960).

Almost surely, 2^312154001012 is an apocalyptic number.

It is an amenable number.

312154001012 is an abundant number, since it is smaller than the sum of its proper divisors (345012318028).

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

312154001012 is a wasteful number, since it uses less digits than its factorization.

312154001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586755671 (or 586755669 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 312154001012 its reverse (210100451213), we get a palindrome (522254452225).

The spelling of 312154001012 in words is "three hundred twelve billion, one hundred fifty-four million, one thousand, twelve".