312402311139987 has 12 divisors (see below), whose sum is σ = 451270620596640. Its totient is φ = 208257666885648.

The previous prime is 312402311139943. The next prime is 312402311139991. The reversal of 312402311139987 is 789931113204213.

312402311139987 is a `hidden beast` number, since 3 + 1 + 2 + 4 + 0 + 231 + 11 + 399 + 8 + 7 = 666.

It is not a de Polignac number, because 312402311139987 - 2¹⁵ = 312402311107219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (312402311149987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 878190708 + ... + 878546369.

It is an arithmetic number, because the mean of its divisors is an integer number (37605885049720).

Almost surely, 2^{312402311139987} is an apocalyptic number.

312402311139987 is a deficient number, since it is larger than the sum of its proper divisors (138868309456653).

312402311139987 is a wasteful number, since it uses less digits than its factorization.

312402311139987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1756756842 (or 1756756839 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The spelling of 312402311139987 in words is "three hundred twelve trillion, four hundred two billion, three hundred eleven million, one hundred thirty-nine thousand, nine hundred eighty-seven".