12052322649 has 24 divisors (see below), whose sum is σ = 18772135200. Its totient is φ = 7426330560.

The previous prime is 12052322641. The next prime is 12052322677. The reversal of 12052322649 is 94622325021.

12052322649 is a `hidden beast` number, since 1 + 2 + 0 + 5 + 2 + 3 + 2 + 2 + 649 = 666.

It is not a de Polignac number, because 12052322649 - 2³ = 12052322641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12052322641) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 852519 + ... + 866540.

It is an arithmetic number, because the mean of its divisors is an integer number (782172300).

Almost surely, 2^12052322649 is an apocalyptic number.

12052322649 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

12052322649 is a deficient number, since it is larger than the sum of its proper divisors (6719812551).

12052322649 is a wasteful number, since it uses less digits than its factorization.

12052322649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1719125 (or 1719122 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 12052322649 in words is "twelve billion, fifty-two million, three hundred twenty-two thousand, six hundred forty-nine".