12222221021202 has 32 divisors (see below), whose sum is σ = 24518656641024. Its totient is φ = 4061708186000.

The previous prime is 12222221021183. The next prime is 12222221021221. The reversal of 12222221021202 is 20212012222221.

It is an interprime number because it is at equal distance from previous prime (12222221021183) and next prime (12222221021221).

It is a super-2 number, since 2×12222221021202² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13191127 + ... + 14087237.

It is an arithmetic number, because the mean of its divisors is an integer number (766208020032).

Almost surely, 2^{12222221021202} is an apocalyptic number.

12222221021202 is an abundant number, since it is smaller than the sum of its proper divisors (12296435619822).

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

12222221021202 is a wasteful number, since it uses less digits than its factorization.

12222221021202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903014.

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

Adding to 12222221021202 its reverse (20212012222221), we get a palindrome (32434233243423).

The spelling of 12222221021202 in words is "twelve trillion, two hundred twenty-two billion, two hundred twenty-one million, twenty-one thousand, two hundred two".