12212102201 has 12 divisors (see below), whose sum is σ = 13970623212. Its totient is φ = 10609605888.

The previous prime is 12212102179. The next prime is 12212102209. The reversal of 12212102201 is 10220121221.

It can be written as a sum of positive squares in 6 ways, for example, as 2021401600 + 10190700601 = 44960^2 + 100949^2 .

It is not a de Polignac number, because 12212102201 - 2⁶ = 12212102137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12212102209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1621490 + ... + 1629003.

It is an arithmetic number, because the mean of its divisors is an integer number (1164218601).

Almost surely, 2^12212102201 is an apocalyptic number.

It is an amenable number.

12212102201 is a deficient number, since it is larger than the sum of its proper divisors (1758521011).

12212102201 is a wasteful number, since it uses less digits than its factorization.

12212102201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3250540 (or 3250523 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12212102201 its reverse (10220121221), we get a palindrome (22432223422).

The spelling of 12212102201 in words is "twelve billion, two hundred twelve million, one hundred two thousand, two hundred one".