12267215597988 has 72 divisors (see below), whose sum is σ = 34630904974848. Its totient is φ = 3774527872416.

The previous prime is 12267215597909. The next prime is 12267215598007. The reversal of 12267215597988 is 88979551276221.

12267215597988 is a `hidden beast` number, since 1 + 2 + 2 + 6 + 7 + 21 + 5 + 597 + 9 + 8 + 8 = 666.

It is a super-3 number, since 3×12267215597988³ (a number of 40 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 485394756 + ... + 485420027.

Almost surely, 2^{12267215597988} is an apocalyptic number.

12267215597988 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12267215597988 is an abundant number, since it is smaller than the sum of its proper divisors (22363689376860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12267215597988 is a wasteful number, since it uses less digits than its factorization.

12267215597988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970814815 (or 970814801 counting only the distinct ones).

The product of its digits is 304819200, while the sum is 72.

The spelling of 12267215597988 in words is "twelve trillion, two hundred sixty-seven billion, two hundred fifteen million, five hundred ninety-seven thousand, nine hundred eighty-eight".