12990594016447 has 8 divisors (see below), whose sum is σ = 13019769191520. Its totient is φ = 12961432131840.

The previous prime is 12990594016441. The next prime is 12990594016453. The reversal of 12990594016447 is 74461049509921.

It is an interprime number because it is at equal distance from previous prime (12990594016441) and next prime (12990594016453).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12990594016447 - 2⁴³ = 4194500994239 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 (12990594016441) 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, 1364254 + ... + 5276587.

It is an arithmetic number, because the mean of its divisors is an integer number (1627471148940).

Almost surely, 2^{12990594016447} is an apocalyptic number.

12990594016447 is a deficient number, since it is larger than the sum of its proper divisors (29175175073).

12990594016447 is an equidigital number, since it uses as much as digits as its factorization.

12990594016447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6645233.

The product of its (nonzero) digits is 19595520, while the sum is 61.

The spelling of 12990594016447 in words is "twelve trillion, nine hundred ninety billion, five hundred ninety-four million, sixteen thousand, four hundred forty-seven".