12532798066 has 16 divisors (see below), whose sum is σ = 19513929600. Its totient is φ = 6032526480.

The previous prime is 12532798063. The next prime is 12532798073. The reversal of 12532798066 is 66089723521.

It is not an unprimeable number, because it can be changed into a prime (12532798063) 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, 1087116 + ... + 1098583.

It is an arithmetic number, because the mean of its divisors is an integer number (1219620600).

Almost surely, 2^12532798066 is an apocalyptic number.

12532798066 is a deficient number, since it is larger than the sum of its proper divisors (6981131534).

12532798066 is a wasteful number, since it uses less digits than its factorization.

12532798066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2185809.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 12532798066 in words is "twelve billion, five hundred thirty-two million, seven hundred ninety-eight thousand, sixty-six".