132123204520 has 16 divisors (see below), whose sum is σ = 297277210260. Its totient is φ = 52849281792.

The previous prime is 132123204497. The next prime is 132123204527. The reversal of 132123204520 is 25402321231.

It can be written as a sum of positive squares in 2 ways, for example, as 131633998596 + 489205924 = 362814^2 + 22118^2 .

It is not an unprimeable number, because it can be changed into a prime (132123204527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1651540017 + ... + 1651540096.

Almost surely, 2^132123204520 is an apocalyptic number.

132123204520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132123204520 is an abundant number, since it is smaller than the sum of its proper divisors (165154005740).

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

132123204520 is a wasteful number, since it uses less digits than its factorization.

132123204520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3303080124 (or 3303080120 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 132123204520 its reverse (25402321231), we get a palindrome (157525525751).

The spelling of 132123204520 in words is "one hundred thirty-two billion, one hundred twenty-three million, two hundred four thousand, five hundred twenty".