12220020109873 has 2 divisors, whose sum is σ = 12220020109874. Its totient is φ = 12220020109872.

The previous prime is 12220020109837. The next prime is 12220020110003. The reversal of 12220020109873 is 37890102002221.

12220020109873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (12220020109837) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9175525566769 + 3044494543104 = 3029113^2 + 1744848^2 .

It is a cyclic number.

It is not a de Polignac number, because 12220020109873 - 2²¹ = 12220018012721 is a prime.

It is a super-2 number, since 2×12220020109873² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12220020109813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110010054936 + 6110010054937.

It is an arithmetic number, because the mean of its divisors is an integer number (6110010054937).

Almost surely, 2^{12220020109873} is an apocalyptic number.

It is an amenable number.

12220020109873 is a deficient number, since it is larger than the sum of its proper divisors (1).

12220020109873 is an equidigital number, since it uses as much as digits as its factorization.

12220020109873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 37.

The spelling of 12220020109873 in words is "twelve trillion, two hundred twenty billion, twenty million, one hundred nine thousand, eight hundred seventy-three".