12257023487 has 2 divisors, whose sum is σ = 12257023488. Its totient is φ = 12257023486.

The previous prime is 12257023459. The next prime is 12257023523. The reversal of 12257023487 is 78432075221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12257023487 - 2⁸ = 12257023231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12257023417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6128511743 + 6128511744.

It is an arithmetic number, because the mean of its divisors is an integer number (6128511744).

Almost surely, 2^12257023487 is an apocalyptic number.

12257023487 is a deficient number, since it is larger than the sum of its proper divisors (1).

12257023487 is an equidigital number, since it uses as much as digits as its factorization.

12257023487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 188160, while the sum is 41.

The spelling of 12257023487 in words is "twelve billion, two hundred fifty-seven million, twenty-three thousand, four hundred eighty-seven".