12479201320 has 32 divisors (see below), whose sum is σ = 28367677800. Its totient is φ = 4940218368.

The previous prime is 12479201303. The next prime is 12479201347. The reversal of 12479201320 is 2310297421.

It can be written as a sum of positive squares in 4 ways, for example, as 7586758404 + 4892442916 = 87102^2 + 69946^2 .

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, 1604265 + ... + 1612024.

Almost surely, 2^12479201320 is an apocalyptic number.

12479201320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12479201320 is an abundant number, since it is smaller than the sum of its proper divisors (15888476480).

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

12479201320 is a wasteful number, since it uses less digits than its factorization.

12479201320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3216397 (or 3216393 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

Adding to 12479201320 its reverse (2310297421), we get a palindrome (14789498741).

The spelling of 12479201320 in words is "twelve billion, four hundred seventy-nine million, two hundred one thousand, three hundred twenty".