12221101202012 has 24 divisors (see below), whose sum is σ = 22128197649600. Its totient is φ = 5898831212736.

The previous prime is 12221101201997. The next prime is 12221101202059. The reversal of 12221101202012 is 21020210112221.

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, 8344283 + ... + 9698930.

It is an arithmetic number, because the mean of its divisors is an integer number (922008235400).

Almost surely, 2^{12221101202012} is an apocalyptic number.

It is an amenable number.

12221101202012 is a deficient number, since it is larger than the sum of its proper divisors (9907096447588).

12221101202012 is a wasteful number, since it uses less digits than its factorization.

12221101202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18049085 (or 18049083 counting only the distinct ones).

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

Adding to 12221101202012 its reverse (21020210112221), we get a palindrome (33241311314233).

The spelling of 12221101202012 in words is "twelve trillion, two hundred twenty-one billion, one hundred one million, two hundred two thousand, twelve".