12220121222202 has 16 divisors (see below), whose sum is σ = 25100789537952. Its totient is φ = 3963282558480.

The previous prime is 12220121222201. The next prime is 12220121222249. The reversal of 12220121222202 is 20222212102221.

It is not an unprimeable number, because it can be changed into a prime (12220121222201) 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, 27522795324 + ... + 27522795767.

It is an arithmetic number, because the mean of its divisors is an integer number (1568799346122).

Almost surely, 2^{12220121222202} is an apocalyptic number.

12220121222202 is an abundant number, since it is smaller than the sum of its proper divisors (12880668315750).

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

12220121222202 is a wasteful number, since it uses less digits than its factorization.

12220121222202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55045591133.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 12220121222202 its reverse (20222212102221), we get a palindrome (32442333324423).

The spelling of 12220121222202 in words is "twelve trillion, two hundred twenty billion, one hundred twenty-one million, two hundred twenty-two thousand, two hundred two".