12505501132 has 24 divisors (see below), whose sum is σ = 21941768016. Its totient is φ = 6236447808.

The previous prime is 12505501109. The next prime is 12505501139. The reversal of 12505501132 is 23110550521.

It is a junction number, because it is equal to n+sod(n) for n = 12505501097 and 12505501106.

It is not an unprimeable number, because it can be changed into a prime (12505501139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3166383 + ... + 3170329.

It is an arithmetic number, because the mean of its divisors is an integer number (914240334).

Almost surely, 2^12505501132 is an apocalyptic number.

It is an amenable number.

12505501132 is a deficient number, since it is larger than the sum of its proper divisors (9436266884).

12505501132 is a wasteful number, since it uses less digits than its factorization.

12505501132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5817 (or 5815 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

The spelling of 12505501132 in words is "twelve billion, five hundred five million, five hundred one thousand, one hundred thirty-two".