12021011000191 has 2 divisors, whose sum is σ = 12021011000192. Its totient is φ = 12021011000190.

The previous prime is 12021011000149. The next prime is 12021011000197. The reversal of 12021011000191 is 19100011012021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12021011000191 - 2¹⁵ = 12021010967423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12021011000197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010505500095 + 6010505500096.

It is an arithmetic number, because the mean of its divisors is an integer number (6010505500096).

Almost surely, 2^{12021011000191} is an apocalyptic number.

12021011000191 is a deficient number, since it is larger than the sum of its proper divisors (1).

12021011000191 is an equidigital number, since it uses as much as digits as its factorization.

12021011000191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 19.

The spelling of 12021011000191 in words is "twelve trillion, twenty-one billion, eleven million, one hundred ninety-one", and thus it is an aban number.