12912024581 has 8 divisors (see below), whose sum is σ = 12966058560. Its totient is φ = 12858084288.

The previous prime is 12912024553. The next prime is 12912024607. The reversal of 12912024581 is 18542021921.

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 12912024581 - 2²² = 12907830277 is a prime.

It is a super-2 number, since 2×12912024581² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12912024511) 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, 259910 + ... + 305576.

It is an arithmetic number, because the mean of its divisors is an integer number (1620757320).

Almost surely, 2^12912024581 is an apocalyptic number.

It is an amenable number.

12912024581 is a deficient number, since it is larger than the sum of its proper divisors (54033979).

12912024581 is an equidigital number, since it uses as much as digits as its factorization.

12912024581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46843.

The product of its (nonzero) digits is 11520, while the sum is 35.

The spelling of 12912024581 in words is "twelve billion, nine hundred twelve million, twenty-four thousand, five hundred eighty-one".