12900740018 has 8 divisors (see below), whose sum is σ = 19616193948. Its totient is φ = 6362008704.

The previous prime is 12900739927. The next prime is 12900740093. The reversal of 12900740018 is 81004700921.

It can be written as a sum of positive squares in 2 ways, for example, as 11687123449 + 1213616569 = 108107^2 + 34837^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44180471 + ... + 44180762.

Almost surely, 2^12900740018 is an apocalyptic number.

12900740018 is a deficient number, since it is larger than the sum of its proper divisors (6715453930).

12900740018 is an equidigital number, since it uses as much as digits as its factorization.

12900740018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88361308.

The product of its (nonzero) digits is 4032, while the sum is 32.

The spelling of 12900740018 in words is "twelve billion, nine hundred million, seven hundred forty thousand, eighteen".