12030642720 has 96 divisors (see below), whose sum is σ = 42107264640. Its totient is φ = 3208170240.

The previous prime is 12030642707. The next prime is 12030642731. The reversal of 12030642720 is 2724603021.

12030642720 is a `hidden beast` number, since 12 + 0 + 3 + 0 + 642 + 7 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1388116 + ... + 1396755.

It is an arithmetic number, because the mean of its divisors is an integer number (438617340).

Almost surely, 2^12030642720 is an apocalyptic number.

12030642720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12030642720 is an abundant number, since it is smaller than the sum of its proper divisors (30076621920).

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

12030642720 is a wasteful number, since it uses less digits than its factorization.

12030642720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2784895 (or 2784881 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The spelling of 12030642720 in words is "twelve billion, thirty million, six hundred forty-two thousand, seven hundred twenty".