12121102202 has 32 divisors (see below), whose sum is σ = 20018064384. Its totient is φ = 5458849200.

The previous prime is 12121102181. The next prime is 12121102211. The reversal of 12121102202 is 20220112121.

It is a super-2 number, since 2×12121102202² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1047983 + ... + 1059485.

It is an arithmetic number, because the mean of its divisors is an integer number (625564512).

Almost surely, 2^12121102202 is an apocalyptic number.

12121102202 is a deficient number, since it is larger than the sum of its proper divisors (7896962182).

12121102202 is a wasteful number, since it uses less digits than its factorization.

12121102202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11954.

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

Adding to 12121102202 its reverse (20220112121), we get a palindrome (32341214323).

The spelling of 12121102202 in words is "twelve billion, one hundred twenty-one million, one hundred two thousand, two hundred two".