12320032201 has 4 divisors (see below), whose sum is σ = 12522000004. Its totient is φ = 12118064400.

The previous prime is 12320032181. The next prime is 12320032229. The reversal of 12320032201 is 10223002321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10223002321 = 7 ⋅1460428903.

It can be written as a sum of positive squares in 2 ways, for example, as 1073217600 + 11246814601 = 32760^2 + 106051^2 .

It is a cyclic number.

It is not a de Polignac number, because 12320032201 - 2¹⁷ = 12319901129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12320032001) 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, 100983810 + ... + 100983931.

It is an arithmetic number, because the mean of its divisors is an integer number (3130500001).

Almost surely, 2^12320032201 is an apocalyptic number.

It is an amenable number.

12320032201 is a deficient number, since it is larger than the sum of its proper divisors (201967803).

12320032201 is an equidigital number, since it uses as much as digits as its factorization.

12320032201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201967802.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 12320032201 its reverse (10223002321), we get a palindrome (22543034522).

The spelling of 12320032201 in words is "twelve billion, three hundred twenty million, thirty-two thousand, two hundred one".