12088121715 has 48 divisors (see below), whose sum is σ = 21267360192. Its totient is φ = 6350856192.

The previous prime is 12088121671. The next prime is 12088121723. The reversal of 12088121715 is 51712188021.

It is not a de Polignac number, because 12088121715 - 2⁹ = 12088121203 is a prime.

It is a super-2 number, since 2×12088121715² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12088121715.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 887799 + ... + 901311.

It is an arithmetic number, because the mean of its divisors is an integer number (443070004).

Almost surely, 2^12088121715 is an apocalyptic number.

12088121715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12088121715 is a deficient number, since it is larger than the sum of its proper divisors (9179238477).

12088121715 is a wasteful number, since it uses less digits than its factorization.

12088121715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13820 (or 13817 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 36.

The spelling of 12088121715 in words is "twelve billion, eighty-eight million, one hundred twenty-one thousand, seven hundred fifteen".