121916006297 has 2 divisors, whose sum is σ = 121916006298. Its totient is φ = 121916006296.

The previous prime is 121916006239. The next prime is 121916006327. The reversal of 121916006297 is 792600619121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95592890761 + 26323115536 = 309181^2 + 162244^2 .

It is a cyclic number.

It is not a de Polignac number, because 121916006297 - 2²⁰ = 121914957721 is a prime.

It is not a weakly prime, because it can be changed into another prime (121916006497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60958003148 + 60958003149.

It is an arithmetic number, because the mean of its divisors is an integer number (60958003149).

Almost surely, 2^121916006297 is an apocalyptic number.

It is an amenable number.

121916006297 is a deficient number, since it is larger than the sum of its proper divisors (1).

121916006297 is an equidigital number, since it uses as much as digits as its factorization.

121916006297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 44.

The spelling of 121916006297 in words is "one hundred twenty-one billion, nine hundred sixteen million, six thousand, two hundred ninety-seven".