12221112202120 has 32 divisors (see below), whose sum is σ = 28693046041920. Its totient is φ = 4675903798720.

The previous prime is 12221112202081. The next prime is 12221112202133. The reversal of 12221112202120 is 2120221112221.

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, 6641907886 + ... + 6641909725.

It is an arithmetic number, because the mean of its divisors is an integer number (896657688810).

Almost surely, 2^{12221112202120} is an apocalyptic number.

12221112202120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12221112202120 is an abundant number, since it is smaller than the sum of its proper divisors (16471933839800).

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

12221112202120 is a wasteful number, since it uses less digits than its factorization.

12221112202120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13283817645 (or 13283817641 counting only the distinct ones).

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

Adding to 12221112202120 its reverse (2120221112221), we get a palindrome (14341333314341).

The spelling of 12221112202120 in words is "twelve trillion, two hundred twenty-one billion, one hundred twelve million, two hundred two thousand, one hundred twenty".