12221130213201 has 64 divisors (see below), whose sum is σ = 20599240951296. Its totient is φ = 6271470489600.

The previous prime is 12221130213181. The next prime is 12221130213209. The reversal of 12221130213201 is 10231203112221.

It is not a de Polignac number, because 12221130213201 - 2⁷ = 12221130213073 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (12221130213209) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 113693641 + ... + 113801081.

It is an arithmetic number, because the mean of its divisors is an integer number (321863139864).

Almost surely, 2^{12221130213201} is an apocalyptic number.

It is an amenable number.

12221130213201 is a deficient number, since it is larger than the sum of its proper divisors (8378110738095).

12221130213201 is a wasteful number, since it uses less digits than its factorization.

12221130213201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118762.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 12221130213201 its reverse (10231203112221), we get a palindrome (22452333325422).

The spelling of 12221130213201 in words is "twelve trillion, two hundred twenty-one billion, one hundred thirty million, two hundred thirteen thousand, two hundred one".