12020020111022 has 144 divisors (see below), whose sum is σ = 23693355372960. Its totient is φ = 4553371912320.

The previous prime is 12020020111007. The next prime is 12020020111049. The reversal of 12020020111022 is 22011102002021.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 12020020110988 and 12020020111006.

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 71 ways as a sum of consecutive naturals, for example, 683996228 + ... + 684013800.

It is an arithmetic number, because the mean of its divisors is an integer number (164537190090).

Almost surely, 2^{12020020111022} is an apocalyptic number.

12020020111022 is a deficient number, since it is larger than the sum of its proper divisors (11673335261938).

12020020111022 is a wasteful number, since it uses less digits than its factorization.

12020020111022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19207 (or 19189 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12020020111022 its reverse (22011102002021), we get a palindrome (34031122113043).

The spelling of 12020020111022 in words is "twelve trillion, twenty billion, twenty million, one hundred eleven thousand, twenty-two".