12013220201 has 4 divisors (see below), whose sum is σ = 12104924304. Its totient is φ = 11921516100.

The previous prime is 12013220189. The next prime is 12013220209. The reversal of 12013220201 is 10202231021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12013220201 - 2¹⁰ = 12013219177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12013220209) 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, 45851855 + ... + 45852116.

It is an arithmetic number, because the mean of its divisors is an integer number (3026231076).

Almost surely, 2^12013220201 is an apocalyptic number.

It is an amenable number.

12013220201 is a deficient number, since it is larger than the sum of its proper divisors (91704103).

12013220201 is an equidigital number, since it uses as much as digits as its factorization.

12013220201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91704102.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12013220201 its reverse (10202231021), we get a palindrome (22215451222).

The spelling of 12013220201 in words is "twelve billion, thirteen million, two hundred twenty thousand, two hundred one".