12221002223293 has 2 divisors, whose sum is σ = 12221002223294. Its totient is φ = 12221002223292.

The previous prime is 12221002223279. The next prime is 12221002223389. The reversal of 12221002223293 is 39232220012221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12100010949049 + 120991274244 = 3478507^2 + 347838^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12221002223293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12221002223263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110501111646 + 6110501111647.

It is an arithmetic number, because the mean of its divisors is an integer number (6110501111647).

Almost surely, 2^{12221002223293} is an apocalyptic number.

It is an amenable number.

12221002223293 is a deficient number, since it is larger than the sum of its proper divisors (1).

12221002223293 is an equidigital number, since it uses as much as digits as its factorization.

12221002223293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 12221002223293 in words is "twelve trillion, two hundred twenty-one billion, two million, two hundred twenty-three thousand, two hundred ninety-three".