12072980631 has 4 divisors (see below), whose sum is σ = 16097307512. Its totient is φ = 8048653752.

The previous prime is 12072980603. The next prime is 12072980641. The reversal of 12072980631 is 13608927021.

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

It is not a de Polignac number, because 12072980631 - 2²⁷ = 11938762903 is a prime.

It is a super-2 number, since 2×12072980631² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12072980631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12072980641) 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, 2012163436 + ... + 2012163441.

It is an arithmetic number, because the mean of its divisors is an integer number (4024326878).

Almost surely, 2^12072980631 is an apocalyptic number.

12072980631 is a deficient number, since it is larger than the sum of its proper divisors (4024326881).

12072980631 is an equidigital number, since it uses as much as digits as its factorization.

12072980631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4024326880.

The product of its (nonzero) digits is 36288, while the sum is 39.

The spelling of 12072980631 in words is "twelve billion, seventy-two million, nine hundred eighty thousand, six hundred thirty-one".