12212220202 has 48 divisors (see below), whose sum is σ = 22715318592. Its totient is φ = 4821448320.

The previous prime is 12212220143. The next prime is 12212220239. The reversal of 12212220202 is 20202221221.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1227733 + ... + 1237639.

It is an arithmetic number, because the mean of its divisors is an integer number (473235804).

Almost surely, 2^12212220202 is an apocalyptic number.

12212220202 is a deficient number, since it is larger than the sum of its proper divisors (10503098390).

12212220202 is a wasteful number, since it uses less digits than its factorization.

12212220202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10463 (or 10450 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 12212220202 its reverse (20202221221), we get a palindrome (32414441423).

The spelling of 12212220202 in words is "twelve billion, two hundred twelve million, two hundred twenty thousand, two hundred two".