12007632136 has 8 divisors (see below), whose sum is σ = 22514310270. Its totient is φ = 6003816064.

The previous prime is 12007632073. The next prime is 12007632173. The reversal of 12007632136 is 63123670021.

It can be written as a sum of positive squares in only one way, i.e., 11983680900 + 23951236 = 109470^2 + 4894^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 12007632098 and 12007632107.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 750477001 + ... + 750477016.

Almost surely, 2^12007632136 is an apocalyptic number.

It is an amenable number.

12007632136 is a deficient number, since it is larger than the sum of its proper divisors (10506678134).

12007632136 is a wasteful number, since it uses less digits than its factorization.

12007632136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500954023 (or 1500954019 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The spelling of 12007632136 in words is "twelve billion, seven million, six hundred thirty-two thousand, one hundred thirty-six".