12900618890 has 8 divisors (see below), whose sum is σ = 23221114020. Its totient is φ = 5160247552.

The previous prime is 12900618851. The next prime is 12900618923. The reversal of 12900618890 is 9881600921.

It can be written as a sum of positive squares in 2 ways, for example, as 12812202481 + 88416409 = 113191^2 + 9403^2 .

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

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, 645030935 + ... + 645030954.

Almost surely, 2^12900618890 is an apocalyptic number.

12900618890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12900618890 is a deficient number, since it is larger than the sum of its proper divisors (10320495130).

12900618890 is a wasteful number, since it uses less digits than its factorization.

12900618890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290061896.

The product of its (nonzero) digits is 62208, while the sum is 44.

The spelling of 12900618890 in words is "twelve billion, nine hundred million, six hundred eighteen thousand, eight hundred ninety".