12220202252 has 12 divisors (see below), whose sum is σ = 21387422280. Its totient is φ = 6109510176.

The previous prime is 12220202221. The next prime is 12220202257. The reversal of 12220202252 is 25220202221.

It is not an unprimeable number, because it can be changed into a prime (12220202257) 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, 99458 + ... + 185289.

It is an arithmetic number, because the mean of its divisors is an integer number (1782285190).

Almost surely, 2^12220202252 is an apocalyptic number.

It is an amenable number.

12220202252 is a deficient number, since it is larger than the sum of its proper divisors (9167220028).

12220202252 is a wasteful number, since it uses less digits than its factorization.

12220202252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295480 (or 295478 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

Adding to 12220202252 its reverse (25220202221), we get a palindrome (37440404473).

The spelling of 12220202252 in words is "twelve billion, two hundred twenty million, two hundred two thousand, two hundred fifty-two".