13212223201 has 4 divisors (see below), whose sum is σ = 13786667712. Its totient is φ = 12637778692.

The previous prime is 13212223169. The next prime is 13212223273. The reversal of 13212223201 is 10232221231.

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: 10232221231 = 359 ⋅28502009.

It is a cyclic number.

It is not a de Polignac number, because 13212223201 - 2⁵ = 13212223169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13212223501) 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, 287222221 + ... + 287222266.

It is an arithmetic number, because the mean of its divisors is an integer number (3446666928).

Almost surely, 2^13212223201 is an apocalyptic number.

It is an amenable number.

13212223201 is a deficient number, since it is larger than the sum of its proper divisors (574444511).

13212223201 is an equidigital number, since it uses as much as digits as its factorization.

13212223201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574444510.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 13212223201 its reverse (10232221231), we get a palindrome (23444444432).

The spelling of 13212223201 in words is "thirteen billion, two hundred twelve million, two hundred twenty-three thousand, two hundred one".