12641652332 has 12 divisors (see below), whose sum is σ = 22126548696. Its totient is φ = 6319781280.

The previous prime is 12641652307. The next prime is 12641652389. The reversal of 12641652332 is 23325614621.

It is a super-2 number, since 2×12641652332² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12641652292 and 12641652301.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233678 + ... + 282645.

It is an arithmetic number, because the mean of its divisors is an integer number (1843879058).

Almost surely, 2^12641652332 is an apocalyptic number.

It is an amenable number.

12641652332 is a deficient number, since it is larger than the sum of its proper divisors (9484896364).

12641652332 is a wasteful number, since it uses less digits than its factorization.

12641652332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522448 (or 522446 counting only the distinct ones).

The product of its digits is 51840, while the sum is 35.

The spelling of 12641652332 in words is "twelve billion, six hundred forty-one million, six hundred fifty-two thousand, three hundred thirty-two".