12201332320 has 24 divisors (see below), whose sum is σ = 28825647984. Its totient is φ = 4880532864.

The previous prime is 12201332251. The next prime is 12201332329. The reversal of 12201332320 is 2323310221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201332329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38129004 + ... + 38129323.

It is an arithmetic number, because the mean of its divisors is an integer number (1201068666).

Almost surely, 2^12201332320 is an apocalyptic number.

12201332320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12201332320 is an abundant number, since it is smaller than the sum of its proper divisors (16624315664).

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

12201332320 is an equidigital number, since it uses as much as digits as its factorization.

12201332320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76258342 (or 76258334 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12201332320 its reverse (2323310221), we get a palindrome (14524642541).

The spelling of 12201332320 in words is "twelve billion, two hundred one million, three hundred thirty-two thousand, three hundred twenty".