12221010112202 has 16 divisors (see below), whose sum is σ = 18344433625800. Its totient is φ = 6106199178240.

The previous prime is 12221010112169. The next prime is 12221010112247. The reversal of 12221010112202 is 20221101012221.

It can be written as a sum of positive squares in 4 ways, for example, as 5782971657961 + 6438038454241 = 2404781^2 + 2537329^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135039824 + ... + 135130292.

Almost surely, 2^{12221010112202} is an apocalyptic number.

12221010112202 is a deficient number, since it is larger than the sum of its proper divisors (6123423513598).

12221010112202 is a wasteful number, since it uses less digits than its factorization.

12221010112202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137321.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12221010112202 its reverse (20221101012221), we get a palindrome (32442111124423).

The spelling of 12221010112202 in words is "twelve trillion, two hundred twenty-one billion, ten million, one hundred twelve thousand, two hundred two".