12922232977 has 2 divisors, whose sum is σ = 12922232978. Its totient is φ = 12922232976.

The previous prime is 12922232971. The next prime is 12922233007. The reversal of 12922232977 is 77923222921.

It is a Cunningham number, because it is equal to 113676²+1.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12922232976 + 1 = 113676^2 + 1^2 .

It is a cyclic number.

It is not a de Polignac number, because 12922232977 - 2¹⁵ = 12922200209 is a prime.

It is a super-2 number, since 2×12922232977² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12922232971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6461116488 + 6461116489.

It is an arithmetic number, because the mean of its divisors is an integer number (6461116489).

Almost surely, 2^12922232977 is an apocalyptic number.

It is an amenable number.

12922232977 is a deficient number, since it is larger than the sum of its proper divisors (1).

12922232977 is an equidigital number, since it uses as much as digits as its factorization.

12922232977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 381024, while the sum is 46.

The spelling of 12922232977 in words is "twelve billion, nine hundred twenty-two million, two hundred thirty-two thousand, nine hundred seventy-seven".