12220121202 has 16 divisors (see below), whose sum is σ = 25100789952. Its totient is φ = 3963282480.

The previous prime is 12220121201. The next prime is 12220121227. The reversal of 12220121202 is 20212102221.

It is not an unprimeable number, because it can be changed into a prime (12220121201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27522574 + ... + 27523017.

It is an arithmetic number, because the mean of its divisors is an integer number (1568799372).

Almost surely, 2^12220121202 is an apocalyptic number.

12220121202 is an abundant number, since it is smaller than the sum of its proper divisors (12880668750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12220121202 is a wasteful number, since it uses less digits than its factorization.

12220121202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55045633.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12220121202 its reverse (20212102221), we get a palindrome (32432223423).

The spelling of 12220121202 in words is "twelve billion, two hundred twenty million, one hundred twenty-one thousand, two hundred two".