12532444645 has 32 divisors (see below), whose sum is σ = 17301335040. Its totient is φ = 8536872960.

The previous prime is 12532444637. The next prime is 12532444649. The reversal of 12532444645 is 54644423521.

It is not a de Polignac number, because 12532444645 - 2³ = 12532444637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12532444598 and 12532444607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12532444649) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3903801 + ... + 3907009.

It is an arithmetic number, because the mean of its divisors is an integer number (540666720).

Almost surely, 2^12532444645 is an apocalyptic number.

It is an amenable number.

12532444645 is a deficient number, since it is larger than the sum of its proper divisors (4768890395).

12532444645 is a wasteful number, since it uses less digits than its factorization.

12532444645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3925.

The product of its digits is 460800, while the sum is 40.

The spelling of 12532444645 in words is "twelve billion, five hundred thirty-two million, four hundred forty-four thousand, six hundred forty-five".