12264897977 has 2 divisors, whose sum is σ = 12264897978. Its totient is φ = 12264897976.

The previous prime is 12264897971. The next prime is 12264898003. The reversal of 12264897977 is 77979846221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9219072256 + 3045825721 = 96016^2 + 55189^2 .

It is a cyclic number.

It is not a de Polignac number, because 12264897977 - 2¹⁴ = 12264881593 is a prime.

It is not a weakly prime, because it can be changed into another prime (12264897971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6132448988 + 6132448989.

It is an arithmetic number, because the mean of its divisors is an integer number (6132448989).

Almost surely, 2^12264897977 is an apocalyptic number.

It is an amenable number.

12264897977 is a deficient number, since it is larger than the sum of its proper divisors (1).

12264897977 is an equidigital number, since it uses as much as digits as its factorization.

12264897977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21337344, while the sum is 62.

The spelling of 12264897977 in words is "twelve billion, two hundred sixty-four million, eight hundred ninety-seven thousand, nine hundred seventy-seven".