12052917997 has 2 divisors, whose sum is σ = 12052917998. Its totient is φ = 12052917996.

The previous prime is 12052917977. The next prime is 12052918001. The reversal of 12052917997 is 79971925021.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11444506441 + 608411556 = 106979^2 + 24666^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12052917997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12052917977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6026458998 + 6026458999.

It is an arithmetic number, because the mean of its divisors is an integer number (6026458999).

Almost surely, 2^12052917997 is an apocalyptic number.

It is an amenable number.

12052917997 is a deficient number, since it is larger than the sum of its proper divisors (1).

12052917997 is an equidigital number, since it uses as much as digits as its factorization.

12052917997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 714420, while the sum is 52.

The spelling of 12052917997 in words is "twelve billion, fifty-two million, nine hundred seventeen thousand, nine hundred ninety-seven".