12655252399 has 2 divisors, whose sum is σ = 12655252400. Its totient is φ = 12655252398.

The previous prime is 12655252373. The next prime is 12655252457. The reversal of 12655252399 is 99325255621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12655252399 - 2¹¹ = 12655250351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12655252369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6327626199 + 6327626200.

It is an arithmetic number, because the mean of its divisors is an integer number (6327626200).

Almost surely, 2^12655252399 is an apocalyptic number.

12655252399 is a deficient number, since it is larger than the sum of its proper divisors (1).

12655252399 is an equidigital number, since it uses as much as digits as its factorization.

12655252399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1458000, while the sum is 49.

The spelling of 12655252399 in words is "twelve billion, six hundred fifty-five million, two hundred fifty-two thousand, three hundred ninety-nine".