12144202201 has 4 divisors (see below), whose sum is σ = 12426625552. Its totient is φ = 11861778852.

The previous prime is 12144202159. The next prime is 12144202211. The reversal of 12144202201 is 10220244121.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10220244121 = 20593 ⋅496297.

It is a cyclic number.

It is not a de Polignac number, because 12144202201 - 2¹⁹ = 12143677913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12144202211) 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, 141211611 + ... + 141211696.

It is an arithmetic number, because the mean of its divisors is an integer number (3106656388).

Almost surely, 2^12144202201 is an apocalyptic number.

It is an amenable number.

12144202201 is a deficient number, since it is larger than the sum of its proper divisors (282423351).

12144202201 is an equidigital number, since it uses as much as digits as its factorization.

12144202201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282423350.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12144202201 its reverse (10220244121), we get a palindrome (22364446322).

The spelling of 12144202201 in words is "twelve billion, one hundred forty-four million, two hundred two thousand, two hundred one".