12132201320 has 16 divisors (see below), whose sum is σ = 27297453060. Its totient is φ = 4852880512.

The previous prime is 12132201293. The next prime is 12132201343. The reversal of 12132201320 is 2310223121.

It can be written as a sum of positive squares in 2 ways, for example, as 12023999716 + 108201604 = 109654^2 + 10402^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151652477 + ... + 151652556.

Almost surely, 2^12132201320 is an apocalyptic number.

12132201320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12132201320 is an abundant number, since it is smaller than the sum of its proper divisors (15165251740).

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

12132201320 is a wasteful number, since it uses less digits than its factorization.

12132201320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303305044 (or 303305040 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12132201320 its reverse (2310223121), we get a palindrome (14442424441).

The spelling of 12132201320 in words is "twelve billion, one hundred thirty-two million, two hundred one thousand, three hundred twenty".