12020200111191 has 16 divisors (see below), whose sum is σ = 16144117936128. Its totient is φ = 7954875960000.

The previous prime is 12020200111133. The next prime is 12020200111193. The reversal of 12020200111191 is 19111100202021.

It is not a de Polignac number, because 12020200111191 - 2⁹ = 12020200110679 is a prime.

It is a super-2 number, since 2×12020200111191² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020200111193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50125546 + ... + 50364776.

It is an arithmetic number, because the mean of its divisors is an integer number (1009007371008).

Almost surely, 2^{12020200111191} is an apocalyptic number.

12020200111191 is a deficient number, since it is larger than the sum of its proper divisors (4123917824937).

12020200111191 is a wasteful number, since it uses less digits than its factorization.

12020200111191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361622.

The product of its (nonzero) digits is 72, while the sum is 21.

The spelling of 12020200111191 in words is "twelve trillion, twenty billion, two hundred million, one hundred eleven thousand, one hundred ninety-one".