12327520001 has 8 divisors (see below), whose sum is σ = 12732175080. Its totient is φ = 11929237632.

The previous prime is 12327519989. The next prime is 12327520019. The reversal of 12327520001 is 10002572321.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7952358976 + 4375161025 = 89176^2 + 66145^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12327520001 - 2⁶ = 12327519937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12327520031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1589246 + ... + 1596983.

It is an arithmetic number, because the mean of its divisors is an integer number (1591521885).

Almost surely, 2^12327520001 is an apocalyptic number.

It is an amenable number.

12327520001 is a deficient number, since it is larger than the sum of its proper divisors (404655079).

12327520001 is an equidigital number, since it uses as much as digits as its factorization.

12327520001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3186355.

The product of its (nonzero) digits is 840, while the sum is 23.

The spelling of 12327520001 in words is "twelve billion, three hundred twenty-seven million, five hundred twenty thousand, one".