12072732421433 has 4 divisors (see below), whose sum is σ = 12270646067748. Its totient is φ = 11874818775120.

The previous prime is 12072732421423. The next prime is 12072732421499. The reversal of 12072732421433 is 33412423727021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1193606505529 + 10879125915904 = 1092523^2 + 3298352^2 .

It is a cyclic number.

It is not a de Polignac number, because 12072732421433 - 2⁴ = 12072732421417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12072732421423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98956823066 + ... + 98956823187.

It is an arithmetic number, because the mean of its divisors is an integer number (3067661516937).

Almost surely, 2^{12072732421433} is an apocalyptic number.

It is an amenable number.

12072732421433 is a deficient number, since it is larger than the sum of its proper divisors (197913646315).

12072732421433 is an equidigital number, since it uses as much as digits as its factorization.

12072732421433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197913646314.

The product of its (nonzero) digits is 338688, while the sum is 41.

The spelling of 12072732421433 in words is "twelve trillion, seventy-two billion, seven hundred thirty-two million, four hundred twenty-one thousand, four hundred thirty-three".