12001222320229 has 2 divisors, whose sum is σ = 12001222320230. Its totient is φ = 12001222320228.

The previous prime is 12001222320211. The next prime is 12001222320289. The reversal of 12001222320229 is 92202322210021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6234644443329 + 5766577876900 = 2496927^2 + 2401370^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12001222320229 is a prime.

It is a super-2 number, since 2×12001222320229² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12001222320197 and 12001222320206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12001222320289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000611160114 + 6000611160115.

It is an arithmetic number, because the mean of its divisors is an integer number (6000611160115).

Almost surely, 2^{12001222320229} is an apocalyptic number.

It is an amenable number.

12001222320229 is a deficient number, since it is larger than the sum of its proper divisors (1).

12001222320229 is an equidigital number, since it uses as much as digits as its factorization.

12001222320229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 12001222320229 in words is "twelve trillion, one billion, two hundred twenty-two million, three hundred twenty thousand, two hundred twenty-nine".