12920582700 has 72 divisors (see below), whose sum is σ = 41537289360. Its totient is φ = 3445488000.

The previous prime is 12920582699. The next prime is 12920582713. The reversal of 12920582700 is 728502921.

12920582700 is a `hidden beast` number, since 1 + 2 + 9 + 2 + 0 + 582 + 70 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2390001 + ... + 2395400.

Almost surely, 2^12920582700 is an apocalyptic number.

12920582700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12920582700 is an abundant number, since it is smaller than the sum of its proper divisors (28616706660).

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

12920582700 is a wasteful number, since it uses less digits than its factorization.

12920582700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4785424 (or 4785411 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The spelling of 12920582700 in words is "twelve billion, nine hundred twenty million, five hundred eighty-two thousand, seven hundred".