12120020222012 has 24 divisors (see below), whose sum is σ = 21431013300816. Its totient is φ = 5997040374528.

The previous prime is 12120020221973. The next prime is 12120020222053. The reversal of 12120020222012 is 21022202002121.

It is a happy number.

It is a congruent number.

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, 20560223 + ... + 21141494.

It is an arithmetic number, because the mean of its divisors is an integer number (892958887534).

Almost surely, 2^{12120020222012} is an apocalyptic number.

It is an amenable number.

12120020222012 is a deficient number, since it is larger than the sum of its proper divisors (9310993078804).

12120020222012 is a wasteful number, since it uses less digits than its factorization.

12120020222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41702477 (or 41702475 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12120020222012 its reverse (21022202002121), we get a palindrome (33142222224133).

The spelling of 12120020222012 in words is "twelve trillion, one hundred twenty billion, twenty million, two hundred twenty-two thousand, twelve".