12005580632 has 8 divisors (see below), whose sum is σ = 22510463700. Its totient is φ = 6002790312.

The previous prime is 12005580623. The next prime is 12005580667. The reversal of 12005580632 is 23608550021.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×12005580632² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 750348782 + ... + 750348797.

Almost surely, 2^12005580632 is an apocalyptic number.

It is an amenable number.

12005580632 is a deficient number, since it is larger than the sum of its proper divisors (10504883068).

12005580632 is a wasteful number, since it uses less digits than its factorization.

12005580632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500697585 (or 1500697581 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 12005580632 in words is "twelve billion, five million, five hundred eighty thousand, six hundred thirty-two".