12366251631407 has 8 divisors (see below), whose sum is σ = 12965070744960. Its totient is φ = 11772528851160.

The previous prime is 12366251631397. The next prime is 12366251631431. The reversal of 12366251631407 is 70413615266321.

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-12366251631407 is a prime.

It is a super-2 number, since 2×12366251631407² (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 (12366251631007) 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, 1274078357 + ... + 1274088062.

It is an arithmetic number, because the mean of its divisors is an integer number (1620633843120).

Almost surely, 2^{12366251631407} is an apocalyptic number.

12366251631407 is a deficient number, since it is larger than the sum of its proper divisors (598819113553).

12366251631407 is a wasteful number, since it uses less digits than its factorization.

12366251631407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2548166653.

The product of its (nonzero) digits is 1088640, while the sum is 47.

Adding to 12366251631407 its reverse (70413615266321), we get a palindrome (82779866897728).

The spelling of 12366251631407 in words is "twelve trillion, three hundred sixty-six billion, two hundred fifty-one million, six hundred thirty-one thousand, four hundred seven".