12650655320 has 16 divisors (see below), whose sum is σ = 28463974560. Its totient is φ = 5060262112.

The previous prime is 12650655307. The next prime is 12650655331. The reversal of 12650655320 is 2355605621.

It is a congruent 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, 158133152 + ... + 158133231.

It is an arithmetic number, because the mean of its divisors is an integer number (1778998410).

Almost surely, 2^12650655320 is an apocalyptic number.

12650655320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12650655320 is an abundant number, since it is smaller than the sum of its proper divisors (15813319240).

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

12650655320 is a wasteful number, since it uses less digits than its factorization.

12650655320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316266394 (or 316266390 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 35.

The spelling of 12650655320 in words is "twelve billion, six hundred fifty million, six hundred fifty-five thousand, three hundred twenty".