12222011873 has 2 divisors, whose sum is σ = 12222011874. Its totient is φ = 12222011872.

The previous prime is 12222011863. The next prime is 12222011887. The reversal of 12222011873 is 37811022221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9540014929 + 2681996944 = 97673^2 + 51788^2 .

It is a cyclic number.

It is not a de Polignac number, because 12222011873 - 2²² = 12217817569 is a prime.

It is not a weakly prime, because it can be changed into another prime (12222011863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111005936 + 6111005937.

It is an arithmetic number, because the mean of its divisors is an integer number (6111005937).

Almost surely, 2^12222011873 is an apocalyptic number.

It is an amenable number.

12222011873 is a deficient number, since it is larger than the sum of its proper divisors (1).

12222011873 is an equidigital number, since it uses as much as digits as its factorization.

12222011873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 29.

The spelling of 12222011873 in words is "twelve billion, two hundred twenty-two million, eleven thousand, eight hundred seventy-three".