12664233552 has 40 divisors (see below), whose sum is σ = 34437830560. Its totient is φ = 3999231360.

The previous prime is 12664233499. The next prime is 12664233581. The reversal of 12664233552 is 25533246621.

It is a super-3 number, since 3×12664233552³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 12664233552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6942199 + ... + 6944022.

It is an arithmetic number, because the mean of its divisors is an integer number (860945764).

Almost surely, 2^12664233552 is an apocalyptic number.

12664233552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12664233552 is an abundant number, since it is smaller than the sum of its proper divisors (21773597008).

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

12664233552 is a wasteful number, since it uses less digits than its factorization.

12664233552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13886251 (or 13886245 counting only the distinct ones).

The product of its digits is 259200, while the sum is 39.

The spelling of 12664233552 in words is "twelve billion, six hundred sixty-four million, two hundred thirty-three thousand, five hundred fifty-two".