12221210212102 has 16 divisors (see below), whose sum is σ = 18336059755632. Its totient is φ = 6109190436960.

The previous prime is 12221210212067. The next prime is 12221210212121. The reversal of 12221210212102 is 20121201212221.

It is a self number, because there is not a number n which added to its sum of digits gives 12221210212102.

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, 301864753 + ... + 301905235.

It is an arithmetic number, because the mean of its divisors is an integer number (1146003734727).

Almost surely, 2^{12221210212102} is an apocalyptic number.

12221210212102 is a deficient number, since it is larger than the sum of its proper divisors (6114849543530).

12221210212102 is a wasteful number, since it uses less digits than its factorization.

12221210212102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71703.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12221210212102 its reverse (20121201212221), we get a palindrome (32342411424323).

The spelling of 12221210212102 in words is "twelve trillion, two hundred twenty-one billion, two hundred ten million, two hundred twelve thousand, one hundred two".