12120120021022 has 32 divisors (see below), whose sum is σ = 20609413564320. Its totient is φ = 5299407866880.

The previous prime is 12120120020903. The next prime is 12120120021103. The reversal of 12120120021022 is 22012002102121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12120120020987 and 12120120021005.

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 15 ways as a sum of consecutive naturals, for example, 44914822 + ... + 45183862.

It is an arithmetic number, because the mean of its divisors is an integer number (644044173885).

Almost surely, 2^{12120120021022} is an apocalyptic number.

12120120021022 is a deficient number, since it is larger than the sum of its proper divisors (8489293543298).

12120120021022 is a wasteful number, since it uses less digits than its factorization.

12120120021022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360268.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12120120021022 its reverse (22012002102121), we get a palindrome (34132122123143).

The spelling of 12120120021022 in words is "twelve trillion, one hundred twenty billion, one hundred twenty million, twenty-one thousand, twenty-two".