12221202322120 has 64 divisors (see below), whose sum is σ = 30408421299840. Its totient is φ = 4383195840000.

The previous prime is 12221202322073. The next prime is 12221202322157. The reversal of 12221202322120 is 2122320212221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 12221202322091 and 12221202322100.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190210756 + ... + 190274995.

It is an arithmetic number, because the mean of its divisors is an integer number (475131582810).

Almost surely, 2^{12221202322120} is an apocalyptic number.

12221202322120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12221202322120 is an abundant number, since it is smaller than the sum of its proper divisors (18187218977720).

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

12221202322120 is a wasteful number, since it uses less digits than its factorization.

12221202322120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380485846 (or 380485842 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 12221202322120 its reverse (2122320212221), we get a palindrome (14343522534341).

The spelling of 12221202322120 in words is "twelve trillion, two hundred twenty-one billion, two hundred two million, three hundred twenty-two thousand, one hundred twenty".