12900180205 has 24 divisors (see below), whose sum is σ = 17079964704. Its totient is φ = 9276220800.

The previous prime is 12900180197. The next prime is 12900180317. The reversal of 12900180205 is 50208100921.

It is not a de Polignac number, because 12900180205 - 2³ = 12900180197 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 420850 + ... + 450460.

It is an arithmetic number, because the mean of its divisors is an integer number (711665196).

Almost surely, 2^12900180205 is an apocalyptic number.

It is an amenable number.

12900180205 is a deficient number, since it is larger than the sum of its proper divisors (4179784499).

12900180205 is an equidigital number, since it uses as much as digits as its factorization.

12900180205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29805 (or 29716 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 28.

The spelling of 12900180205 in words is "twelve billion, nine hundred million, one hundred eighty thousand, two hundred five".