12102212201 has 4 divisors (see below), whose sum is σ = 12103215504. Its totient is φ = 12101208900.

The previous prime is 12102212191. The next prime is 12102212207. The reversal of 12102212201 is 10221220121.

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 a de Polignac number, because none of the positive numbers 2^k-12102212201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12102212207) 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, 483335 + ... + 507756.

It is an arithmetic number, because the mean of its divisors is an integer number (3025803876).

Almost surely, 2^12102212201 is an apocalyptic number.

It is an amenable number.

12102212201 is a deficient number, since it is larger than the sum of its proper divisors (1003303).

12102212201 is an equidigital number, since it uses as much as digits as its factorization.

12102212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003302.

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

Adding to 12102212201 its reverse (10221220121), we get a palindrome (22323432322).

The spelling of 12102212201 in words is "twelve billion, one hundred two million, two hundred twelve thousand, two hundred one".