12011201010191 has 8 divisors (see below), whose sum is σ = 12425428533600. Its totient is φ = 11596976698720.

The previous prime is 12011201010167. The next prime is 12011201010239. The reversal of 12011201010191 is 19101010211021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12011201010191 - 2⁴² = 7613154499087 is a prime.

It is a super-3 number, since 3×12011201010191³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011201010121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8719070 + ... + 10002228.

It is an arithmetic number, because the mean of its divisors is an integer number (1553178566700).

Almost surely, 2^{12011201010191} is an apocalyptic number.

12011201010191 is a deficient number, since it is larger than the sum of its proper divisors (414227523409).

12011201010191 is a wasteful number, since it uses less digits than its factorization.

12011201010191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1605969.

The product of its (nonzero) digits is 36, while the sum is 20.

The spelling of 12011201010191 in words is "twelve trillion, eleven billion, two hundred one million, ten thousand, one hundred ninety-one".