12210012021191 has 2 divisors, whose sum is σ = 12210012021192. Its totient is φ = 12210012021190.

The previous prime is 12210012021167. The next prime is 12210012021281. The reversal of 12210012021191 is 19112021001221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12210012021191 - 2¹⁴ = 12210012004807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12210012021101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105006010595 + 6105006010596.

It is an arithmetic number, because the mean of its divisors is an integer number (6105006010596).

Almost surely, 2^{12210012021191} is an apocalyptic number.

12210012021191 is a deficient number, since it is larger than the sum of its proper divisors (1).

12210012021191 is an equidigital number, since it uses as much as digits as its factorization.

12210012021191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 12210012021191 in words is "twelve trillion, two hundred ten billion, twelve million, twenty-one thousand, one hundred ninety-one".