12212221323102 has 16 divisors (see below), whose sum is σ = 24424875592320. Its totient is φ = 4070668283352.

The previous prime is 12212221323041. The next prime is 12212221323121. The reversal of 12212221323102 is 20132312221221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17672152 + ... + 18350187.

It is an arithmetic number, because the mean of its divisors is an integer number (1526554724520).

Almost surely, 2^{12212221323102} is an apocalyptic number.

12212221323102 is an abundant number, since it is smaller than the sum of its proper divisors (12212654269218).

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

12212221323102 is a wasteful number, since it uses less digits than its factorization.

12212221323102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36078847.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 12212221323102 its reverse (20132312221221), we get a palindrome (32344533544323).

The spelling of 12212221323102 in words is "twelve trillion, two hundred twelve billion, two hundred twenty-one million, three hundred twenty-three thousand, one hundred two".