12220110008173 has 2 divisors, whose sum is σ = 12220110008174. Its totient is φ = 12220110008172.

The previous prime is 12220110008149. The next prime is 12220110008273. The reversal of 12220110008173 is 37180001102221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6696848581929 + 5523261426244 = 2587827^2 + 2350162^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12220110008173 is a prime.

It is a super-2 number, since 2×12220110008173² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12220110008273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110055004086 + 6110055004087.

It is an arithmetic number, because the mean of its divisors is an integer number (6110055004087).

Almost surely, 2^{12220110008173} is an apocalyptic number.

It is an amenable number.

12220110008173 is a deficient number, since it is larger than the sum of its proper divisors (1).

12220110008173 is an equidigital number, since it uses as much as digits as its factorization.

12220110008173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 28.

The spelling of 12220110008173 in words is "twelve trillion, two hundred twenty billion, one hundred ten million, eight thousand, one hundred seventy-three".