12220021120023 has 24 divisors (see below), whose sum is σ = 18580406610480. Its totient is φ = 7717801098240.

The previous prime is 12220021120007. The next prime is 12220021120037. The reversal of 12220021120023 is 32002112002221.

12220021120023 is a `hidden beast` number, since 12 + 220 + 0 + 211 + 200 + 23 = 666.

It is not a de Polignac number, because 12220021120023 - 2⁴ = 12220021120007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12220021119978 and 12220021120005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220021120823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12940215 + ... + 13852407.

It is an arithmetic number, because the mean of its divisors is an integer number (774183608770).

Almost surely, 2^{12220021120023} is an apocalyptic number.

12220021120023 is a deficient number, since it is larger than the sum of its proper divisors (6360385490457).

12220021120023 is a wasteful number, since it uses less digits than its factorization.

12220021120023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990559 (or 990556 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12220021120023 its reverse (32002112002221), we get a palindrome (44222133122244).

The spelling of 12220021120023 in words is "twelve trillion, two hundred twenty billion, twenty-one million, one hundred twenty thousand, twenty-three".