12120220221022 has 48 divisors (see below), whose sum is σ = 18750215534400. Its totient is φ = 5872323045120.

The previous prime is 12120220220963. The next prime is 12120220221059. The reversal of 12120220221022 is 22012202202121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3776944554 + ... + 3776947762.

It is an arithmetic number, because the mean of its divisors is an integer number (390629490300).

Almost surely, 2^{12120220221022} is an apocalyptic number.

12120220221022 is a deficient number, since it is larger than the sum of its proper divisors (6629995313378).

12120220221022 is an equidigital number, since it uses as much as digits as its factorization.

12120220221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4369 (or 3930 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12120220221022 its reverse (22012202202121), we get a palindrome (34132422423143).

The spelling of 12120220221022 in words is "twelve trillion, one hundred twenty billion, two hundred twenty million, two hundred twenty-one thousand, twenty-two".