12053318077 has 4 divisors (see below), whose sum is σ = 12077281440. Its totient is φ = 12029354716.

The previous prime is 12053318071. The next prime is 12053318161. The reversal of 12053318077 is 77081335021.

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 12053318077 - 2⁷ = 12053317949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12053318071) 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, 11980927 + ... + 11981932.

It is an arithmetic number, because the mean of its divisors is an integer number (3019320360).

Almost surely, 2^12053318077 is an apocalyptic number.

It is an amenable number.

12053318077 is a deficient number, since it is larger than the sum of its proper divisors (23963363).

12053318077 is an equidigital number, since it uses as much as digits as its factorization.

12053318077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23963362.

The product of its (nonzero) digits is 35280, while the sum is 37.

The spelling of 12053318077 in words is "twelve billion, fifty-three million, three hundred eighteen thousand, seventy-seven".