12254037566399 has 8 divisors (see below), whose sum is σ = 12678130562160. Its totient is φ = 11830047235776.

The previous prime is 12254037566387. The next prime is 12254037566401. The reversal of 12254037566399 is 99366573045221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12254037566399 is a prime.

It is a super-2 number, since 2×12254037566399² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12254037566339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25423397 + ... + 25900910.

It is an arithmetic number, because the mean of its divisors is an integer number (1584766320270).

Almost surely, 2^{12254037566399} is an apocalyptic number.

12254037566399 is a deficient number, since it is larger than the sum of its proper divisors (424092995761).

12254037566399 is an equidigital number, since it uses as much as digits as its factorization.

12254037566399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51332569.

The product of its (nonzero) digits is 73483200, while the sum is 62.

The spelling of 12254037566399 in words is "twelve trillion, two hundred fifty-four billion, thirty-seven million, five hundred sixty-six thousand, three hundred ninety-nine".