12532064645 has 8 divisors (see below), whose sum is σ = 15041298456. Its totient is φ = 10023771136.

The previous prime is 12532064569. The next prime is 12532064683. The reversal of 12532064645 is 54646023521.

It can be written as a sum of positive squares in 4 ways, for example, as 2009818561 + 10522246084 = 44831^2 + 102578^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12532064645 - 2¹² = 12532060549 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12532064599 and 12532064608.

It is a congruent number.

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, 205412 + ... + 259341.

It is an arithmetic number, because the mean of its divisors is an integer number (1880162307).

Almost surely, 2^12532064645 is an apocalyptic number.

It is an amenable number.

12532064645 is a deficient number, since it is larger than the sum of its proper divisors (2509233811).

12532064645 is an equidigital number, since it uses as much as digits as its factorization.

12532064645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470151.

The product of its (nonzero) digits is 172800, while the sum is 38.

The spelling of 12532064645 in words is "twelve billion, five hundred thirty-two million, sixty-four thousand, six hundred forty-five".