12002655500 has 72 divisors (see below), whose sum is σ = 28813660512. Its totient is φ = 4364580000.

The previous prime is 12002655493. The next prime is 12002655523. The reversal of 12002655500 is 555620021.

It is a self number, because there is not a number n which added to its sum of digits gives 12002655500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38696 + ... + 159695.

Almost surely, 2^12002655500 is an apocalyptic number.

12002655500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12002655500 is an abundant number, since it is smaller than the sum of its proper divisors (16811005012).

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

12002655500 is a wasteful number, since it uses less digits than its factorization.

12002655500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198432 (or 198409 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The spelling of 12002655500 in words is "twelve billion, two million, six hundred fifty-five thousand, five hundred".