12205608620 has 24 divisors (see below), whose sum is σ = 25647678000. Its totient is φ = 4879214912.

The previous prime is 12205608619. The next prime is 12205608631. The reversal of 12205608620 is 2680650221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156095 + ... + 220854.

It is an arithmetic number, because the mean of its divisors is an integer number (1068653250).

Almost surely, 2^12205608620 is an apocalyptic number.

12205608620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12205608620 is an abundant number, since it is smaller than the sum of its proper divisors (13442069380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12205608620 is a wasteful number, since it uses less digits than its factorization.

12205608620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378577 (or 378575 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 12205608620 in words is "twelve billion, two hundred five million, six hundred eight thousand, six hundred twenty".