12077812051 has 2 divisors, whose sum is σ = 12077812052. Its totient is φ = 12077812050.

The previous prime is 12077812039. The next prime is 12077812079. The reversal of 12077812051 is 15021877021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12077812051 - 2¹⁵ = 12077779283 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12077811998 and 12077812016.

It is not a weakly prime, because it can be changed into another prime (12077812001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6038906025 + 6038906026.

It is an arithmetic number, because the mean of its divisors is an integer number (6038906026).

Almost surely, 2^12077812051 is an apocalyptic number.

12077812051 is a deficient number, since it is larger than the sum of its proper divisors (1).

12077812051 is an equidigital number, since it uses as much as digits as its factorization.

12077812051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7840, while the sum is 34.

The spelling of 12077812051 in words is "twelve billion, seventy-seven million, eight hundred twelve thousand, fifty-one".