12222199993 has 2 divisors, whose sum is σ = 12222199994. Its totient is φ = 12222199992.

The previous prime is 12222199933. The next prime is 12222200041. The reversal of 12222199993 is 39999122221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11339694144 + 882505849 = 106488^2 + 29707^2 .

It is a cyclic number.

It is not a de Polignac number, because 12222199993 - 2⁹ = 12222199481 is a prime.

It is not a weakly prime, because it can be changed into another prime (12222199933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111099996 + 6111099997.

It is an arithmetic number, because the mean of its divisors is an integer number (6111099997).

Almost surely, 2^12222199993 is an apocalyptic number.

It is an amenable number.

12222199993 is a deficient number, since it is larger than the sum of its proper divisors (1).

12222199993 is an equidigital number, since it uses as much as digits as its factorization.

12222199993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 314928, while the sum is 49.

The spelling of 12222199993 in words is "twelve billion, two hundred twenty-two million, one hundred ninety-nine thousand, nine hundred ninety-three".