12207260977 has 2 divisors, whose sum is σ = 12207260978. Its totient is φ = 12207260976.

The previous prime is 12207260959. The next prime is 12207261023. The reversal of 12207260977 is 77906270221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7760905216 + 4446355761 = 88096^2 + 66681^2 .

It is a cyclic number.

It is not a de Polignac number, because 12207260977 - 2²³ = 12198872369 is a prime.

It is not a weakly prime, because it can be changed into another prime (12207260917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6103630488 + 6103630489.

It is an arithmetic number, because the mean of its divisors is an integer number (6103630489).

Almost surely, 2^12207260977 is an apocalyptic number.

It is an amenable number.

12207260977 is a deficient number, since it is larger than the sum of its proper divisors (1).

12207260977 is an equidigital number, since it uses as much as digits as its factorization.

12207260977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 148176, while the sum is 43.

The spelling of 12207260977 in words is "twelve billion, two hundred seven million, two hundred sixty thousand, nine hundred seventy-seven".