12367899876321 has 192 divisors, whose sum is σ = 20211572100096. Its totient is φ = 7225085952000.

The previous prime is 12367899876301. The next prime is 12367899876391.

12367899876321 is a `hidden beast` number, since 1 + 2 + 367 + 89 + 98 + 76 + 32 + 1 = 666.

12367899876321 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 12367899876321 - 2⁶ = 12367899876257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12367899876321.

It is not an unprimeable number, because it can be changed into a prime (12367899876301) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 33699999480 + ... + 33699999846.

It is an arithmetic number, because the mean of its divisors is an integer number (105268604688).

Almost surely, 2^{12367899876321} is an apocalyptic number.

12367899876321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12367899876321 is a deficient number, since it is larger than the sum of its proper divisors (7843672223775).

12367899876321 is a wasteful number, since it uses less digits than its factorization.

12367899876321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032 (or 1029 counting only the distinct ones).

The product of its digits is 329204736, while the sum is 72.

It can be divided in two parts, 123678 and 99876321, that added together give a palindrome (99999999).

The spelling of 12367899876321 in words is "twelve trillion, three hundred sixty-seven billion, eight hundred ninety-nine million, eight hundred seventy-six thousand, three hundred twenty-one".