12888238572 has 36 divisors (see below), whose sum is σ = 35540295336. Its totient is φ = 3905526720.

The previous prime is 12888238547. The next prime is 12888238613. The reversal of 12888238572 is 27583288821.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×12888238572² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16272633 + ... + 16273424.

It is an arithmetic number, because the mean of its divisors is an integer number (987230426).

Almost surely, 2^12888238572 is an apocalyptic number.

12888238572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12888238572 is an abundant number, since it is smaller than the sum of its proper divisors (22652056764).

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

12888238572 is a wasteful number, since it uses less digits than its factorization.

12888238572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32546078 (or 32546073 counting only the distinct ones).

The product of its digits is 3440640, while the sum is 54.

The spelling of 12888238572 in words is "twelve billion, eight hundred eighty-eight million, two hundred thirty-eight thousand, five hundred seventy-two".