12123151260791 has 2 divisors, whose sum is σ = 12123151260792. Its totient is φ = 12123151260790.

The previous prime is 12123151260751. The next prime is 12123151260827. The reversal of 12123151260791 is 19706215132121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12123151260791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12123151260721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6061575630395 + 6061575630396.

It is an arithmetic number, because the mean of its divisors is an integer number (6061575630396).

Almost surely, 2^{12123151260791} is an apocalyptic number.

12123151260791 is a deficient number, since it is larger than the sum of its proper divisors (1).

12123151260791 is an equidigital number, since it uses as much as digits as its factorization.

12123151260791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 41.

The spelling of 12123151260791 in words is "twelve trillion, one hundred twenty-three billion, one hundred fifty-one million, two hundred sixty thousand, seven hundred ninety-one".