12074762248721 has 2 divisors, whose sum is σ = 12074762248722. Its totient is φ = 12074762248720.

The previous prime is 12074762248691. The next prime is 12074762248729. The reversal of 12074762248721 is 12784226747021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11294606955025 + 780155293696 = 3360745^2 + 883264^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12074762248721 is a prime.

It is a super-2 number, since 2×12074762248721² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12074762248729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6037381124360 + 6037381124361.

It is an arithmetic number, because the mean of its divisors is an integer number (6037381124361).

Almost surely, 2^{12074762248721} is an apocalyptic number.

It is an amenable number.

12074762248721 is a deficient number, since it is larger than the sum of its proper divisors (1).

12074762248721 is an equidigital number, since it uses as much as digits as its factorization.

12074762248721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4214784, while the sum is 53.

The spelling of 12074762248721 in words is "twelve trillion, seventy-four billion, seven hundred sixty-two million, two hundred forty-eight thousand, seven hundred twenty-one".