12990930047 has 4 divisors (see below), whose sum is σ = 12997450320. Its totient is φ = 12984409776.

The previous prime is 12990930037. The next prime is 12990930083. The reversal of 12990930047 is 74003909921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74003909921 = 313 ⋅236434217.

It is a cyclic number.

It is not a de Polignac number, because 12990930047 - 2²⁸ = 12722494591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12990930037) 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 3 ways as a sum of consecutive naturals, for example, 3257147 + ... + 3261132.

It is an arithmetic number, because the mean of its divisors is an integer number (3249362580).

Almost surely, 2^12990930047 is an apocalyptic number.

12990930047 is a deficient number, since it is larger than the sum of its proper divisors (6520273).

12990930047 is an equidigital number, since it uses as much as digits as its factorization.

12990930047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6520272.

The product of its (nonzero) digits is 122472, while the sum is 44.

The spelling of 12990930047 in words is "twelve billion, nine hundred ninety million, nine hundred thirty thousand, forty-seven".