12020121022 has 32 divisors (see below), whose sum is σ = 22197051072. Its totient is φ = 4753914624.

The previous prime is 12020121013. The next prime is 12020121073. The reversal of 12020121022 is 22012102021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 12020120993 and 12020121011.

It is a congruent number.

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, 924108 + ... + 937024.

It is an arithmetic number, because the mean of its divisors is an integer number (693657846).

Almost surely, 2^12020121022 is an apocalyptic number.

12020121022 is a deficient number, since it is larger than the sum of its proper divisors (10176930050).

12020121022 is a wasteful number, since it uses less digits than its factorization.

12020121022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18052.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12020121022 its reverse (22012102021), we get a palindrome (34032223043).

The spelling of 12020121022 in words is "twelve billion, twenty million, one hundred twenty-one thousand, twenty-two".