12027565113 has 4 divisors (see below), whose sum is σ = 16036753488. Its totient is φ = 8018376740.

The previous prime is 12027565097. The next prime is 12027565141. The reversal of 12027565113 is 31156572021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12027565113 - 2⁴ = 12027565097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12027560113) 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, 2004594183 + ... + 2004594188.

It is an arithmetic number, because the mean of its divisors is an integer number (4009188372).

Almost surely, 2^12027565113 is an apocalyptic number.

It is an amenable number.

12027565113 is a deficient number, since it is larger than the sum of its proper divisors (4009188375).

12027565113 is an equidigital number, since it uses as much as digits as its factorization.

12027565113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4009188374.

The product of its (nonzero) digits is 12600, while the sum is 33.

The spelling of 12027565113 in words is "twelve billion, twenty-seven million, five hundred sixty-five thousand, one hundred thirteen".