10221212012239 has 2 divisors, whose sum is σ = 10221212012240. Its totient is φ = 10221212012238.

The previous prime is 10221212012177. The next prime is 10221212012261. The reversal of 10221212012239 is 93221021212201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10221212012239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10221272012239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110606006119 + 5110606006120.

It is an arithmetic number, because the mean of its divisors is an integer number (5110606006120).

Almost surely, 2^{10221212012239} is an apocalyptic number.

10221212012239 is a deficient number, since it is larger than the sum of its proper divisors (1).

10221212012239 is an equidigital number, since it uses as much as digits as its factorization.

10221212012239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 10221212012239 in words is "ten trillion, two hundred twenty-one billion, two hundred twelve million, twelve thousand, two hundred thirty-nine".