12318311396340 has 96 divisors (see below), whose sum is σ = 38325880897920. Its totient is φ = 3284690572800.

The previous prime is 12318311396333. The next prime is 12318311396387. The reversal of 12318311396340 is 4369311381321.

12318311396340 is a `hidden beast` number, since 1 + 2 + 3 + 1 + 8 + 3 + 1 + 1 + 3 + 9 + 634 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8677500 + ... + 9996780.

It is an arithmetic number, because the mean of its divisors is an integer number (399227926020).

Almost surely, 2^{12318311396340} is an apocalyptic number.

12318311396340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12318311396340 is an abundant number, since it is smaller than the sum of its proper divisors (26007569501580).

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

12318311396340 is a wasteful number, since it uses less digits than its factorization.

12318311396340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336590 (or 1336582 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The spelling of 12318311396340 in words is "twelve trillion, three hundred eighteen billion, three hundred eleven million, three hundred ninety-six thousand, three hundred forty".