12633145512 has 32 divisors (see below), whose sum is σ = 34012315680. Its totient is φ = 3887121600.

The previous prime is 12633145471. The next prime is 12633145529. The reversal of 12633145512 is 21554133621.

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, 20245114 + ... + 20245737.

It is an arithmetic number, because the mean of its divisors is an integer number (1062884865).

Almost surely, 2^12633145512 is an apocalyptic number.

12633145512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12633145512 is an abundant number, since it is smaller than the sum of its proper divisors (21379170168).

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

12633145512 is a wasteful number, since it uses less digits than its factorization.

12633145512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40490873 (or 40490869 counting only the distinct ones).

The product of its digits is 21600, while the sum is 33.

The spelling of 12633145512 in words is "twelve billion, six hundred thirty-three million, one hundred forty-five thousand, five hundred twelve".