12220011212191 has 2 divisors, whose sum is σ = 12220011212192. Its totient is φ = 12220011212190.

The previous prime is 12220011212183. The next prime is 12220011212231. The reversal of 12220011212191 is 19121211002221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12220011212191 - 2³ = 12220011212183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12220011216191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110005606095 + 6110005606096.

It is an arithmetic number, because the mean of its divisors is an integer number (6110005606096).

Almost surely, 2^{12220011212191} is an apocalyptic number.

12220011212191 is a deficient number, since it is larger than the sum of its proper divisors (1).

12220011212191 is an equidigital number, since it uses as much as digits as its factorization.

12220011212191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 25.

The spelling of 12220011212191 in words is "twelve trillion, two hundred twenty billion, eleven million, two hundred twelve thousand, one hundred ninety-one".