12072643803 has 24 divisors (see below), whose sum is σ = 19027300656. Its totient is φ = 7315315200.

The previous prime is 12072643799. The next prime is 12072643931. The reversal of 12072643803 is 30834627021.

It is a happy number.

12072643803 is a `hidden beast` number, since 1 + 2 + 0 + 7 + 2 + 643 + 8 + 0 + 3 = 666.

It is not a de Polignac number, because 12072643803 - 2² = 12072643799 is a prime.

It is a super-2 number, since 2×12072643803² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12072643003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 716451 + ... + 733107.

It is an arithmetic number, because the mean of its divisors is an integer number (792804194).

Almost surely, 2^12072643803 is an apocalyptic number.

12072643803 is a deficient number, since it is larger than the sum of its proper divisors (6954656853).

12072643803 is a wasteful number, since it uses less digits than its factorization.

12072643803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23995 (or 23992 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The spelling of 12072643803 in words is "twelve billion, seventy-two million, six hundred forty-three thousand, eight hundred three".