12011250191 has 2 divisors, whose sum is σ = 12011250192. Its totient is φ = 12011250190.

The previous prime is 12011250109. The next prime is 12011250211. The reversal of 12011250191 is 19105211021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12011250191 - 2²⁶ = 11944141327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12011250101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005625095 + 6005625096.

It is an arithmetic number, because the mean of its divisors is an integer number (6005625096).

Almost surely, 2^12011250191 is an apocalyptic number.

12011250191 is a deficient number, since it is larger than the sum of its proper divisors (1).

12011250191 is an equidigital number, since it uses as much as digits as its factorization.

12011250191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 23.

The spelling of 12011250191 in words is "twelve billion, eleven million, two hundred fifty thousand, one hundred ninety-one".