12739018661930 has 16 divisors (see below), whose sum is σ = 25014800281824. Its totient is φ = 4632370422480.

The previous prime is 12739018661921. The next prime is 12739018661933. The reversal of 12739018661930 is 3916681093721.

It is not an unprimeable number, because it can be changed into a prime (12739018661933) 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, 57904630172 + ... + 57904630391.

It is an arithmetic number, because the mean of its divisors is an integer number (1563425017614).

Almost surely, 2^{12739018661930} is an apocalyptic number.

12739018661930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12739018661930 is a deficient number, since it is larger than the sum of its proper divisors (12275781619894).

12739018661930 is a wasteful number, since it uses less digits than its factorization.

12739018661930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115809260581.

The product of its (nonzero) digits is 2939328, while the sum is 56.

The spelling of 12739018661930 in words is "twelve trillion, seven hundred thirty-nine billion, eighteen million, six hundred sixty-one thousand, nine hundred thirty".