12313940773878 has 16 divisors (see below), whose sum is σ = 27364312830960. Its totient is φ = 4104646924608.

The previous prime is 12313940773873. The next prime is 12313940773903. The reversal of 12313940773878 is 87837704931321.

12313940773878 is a `hidden beast` number, since 1 + 23 + 139 + 407 + 7 + 3 + 8 + 78 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12313940773873) 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, 114017970075 + ... + 114017970182.

It is an arithmetic number, because the mean of its divisors is an integer number (1710269551935).

Almost surely, 2^{12313940773878} is an apocalyptic number.

12313940773878 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12313940773878 is an abundant number, since it is smaller than the sum of its proper divisors (15050372057082).

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

12313940773878 is a wasteful number, since it uses less digits than its factorization.

12313940773878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228035940268 (or 228035940262 counting only the distinct ones).

The product of its (nonzero) digits is 42674688, while the sum is 63.

The spelling of 12313940773878 in words is "twelve trillion, three hundred thirteen billion, nine hundred forty million, seven hundred seventy-three thousand, eight hundred seventy-eight".