12001320325 has 12 divisors (see below), whose sum is σ = 14934605508. Its totient is φ = 9566883200.

The previous prime is 12001320301. The next prime is 12001320337. The reversal of 12001320325 is 52302310021.

It can be written as a sum of positive squares in 6 ways, for example, as 430230564 + 11571089761 = 20742^2 + 107569^2 .

It is not a de Polignac number, because 12001320325 - 2⁵ = 12001320293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 847162 + ... + 861211.

It is an arithmetic number, because the mean of its divisors is an integer number (1244550459).

Almost surely, 2^12001320325 is an apocalyptic number.

It is an amenable number.

12001320325 is a deficient number, since it is larger than the sum of its proper divisors (2933285183).

12001320325 is a wasteful number, since it uses less digits than its factorization.

12001320325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1708664 (or 1708659 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

Adding to 12001320325 its reverse (52302310021), we get a palindrome (64303630346).

The spelling of 12001320325 in words is "twelve billion, one million, three hundred twenty thousand, three hundred twenty-five".