12220101973 has 2 divisors, whose sum is σ = 12220101974. Its totient is φ = 12220101972.

The previous prime is 12220101967. The next prime is 12220101977. The reversal of 12220101973 is 37910102221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12184185924 + 35916049 = 110382^2 + 5993^2 .

It is a cyclic number.

It is not a de Polignac number, because 12220101973 - 2⁵ = 12220101941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12220101977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110050986 + 6110050987.

It is an arithmetic number, because the mean of its divisors is an integer number (6110050987).

Almost surely, 2^12220101973 is an apocalyptic number.

It is an amenable number.

12220101973 is a deficient number, since it is larger than the sum of its proper divisors (1).

12220101973 is an equidigital number, since it uses as much as digits as its factorization.

12220101973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 28.

The spelling of 12220101973 in words is "twelve billion, two hundred twenty million, one hundred one thousand, nine hundred seventy-three".