12257049033839 has 2 divisors, whose sum is σ = 12257049033840. Its totient is φ = 12257049033838.

The previous prime is 12257049033781. The next prime is 12257049033863. The reversal of 12257049033839 is 93833094075221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12257049033839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12257049333839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6128524516919 + 6128524516920.

It is an arithmetic number, because the mean of its divisors is an integer number (6128524516920).

Almost surely, 2^{12257049033839} is an apocalyptic number.

12257049033839 is a deficient number, since it is larger than the sum of its proper divisors (1).

12257049033839 is an equidigital number, since it uses as much as digits as its factorization.

12257049033839 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9797760, while the sum is 56.

The spelling of 12257049033839 in words is "twelve trillion, two hundred fifty-seven billion, forty-nine million, thirty-three thousand, eight hundred thirty-nine".