12051935977 has 2 divisors, whose sum is σ = 12051935978. Its totient is φ = 12051935976.

The previous prime is 12051935957. The next prime is 12051936023. The reversal of 12051935977 is 77953915021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10598496601 + 1453439376 = 102949^2 + 38124^2 .

It is a cyclic number.

It is not a de Polignac number, because 12051935977 - 2¹⁵ = 12051903209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12051935977.

It is not a weakly prime, because it can be changed into another prime (12051935957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6025967988 + 6025967989.

It is an arithmetic number, because the mean of its divisors is an integer number (6025967989).

Almost surely, 2^12051935977 is an apocalyptic number.

It is an amenable number.

12051935977 is a deficient number, since it is larger than the sum of its proper divisors (1).

12051935977 is an equidigital number, since it uses as much as digits as its factorization.

12051935977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 595350, while the sum is 49.

The spelling of 12051935977 in words is "twelve billion, fifty-one million, nine hundred thirty-five thousand, nine hundred seventy-seven".