12072732421432 has 32 divisors (see below), whose sum is σ = 22947201215280. Its totient is φ = 5953484102400.

The previous prime is 12072732421423. The next prime is 12072732421499. The reversal of 12072732421432 is 23412423727021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18705307 + ... + 19339957.

Almost surely, 2^{12072732421432} is an apocalyptic number.

It is an amenable number.

12072732421432 is a deficient number, since it is larger than the sum of its proper divisors (10874468793848).

12072732421432 is a wasteful number, since it uses less digits than its factorization.

12072732421432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667303 (or 667299 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 40.

The spelling of 12072732421432 in words is "twelve trillion, seventy-two billion, seven hundred thirty-two million, four hundred twenty-one thousand, four hundred thirty-two".