20012200001191 has 8 divisors (see below), whose sum is σ = 20065431962160. Its totient is φ = 19958977203648.

The previous prime is 20012200001179. The next prime is 20012200001197. The reversal of 20012200001191 is 19110000221002.

It is a happy number.

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 20012200001191 - 2⁵ = 20012200001159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20012200001197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2093940 + ... + 6664006.

It is an arithmetic number, because the mean of its divisors is an integer number (2508178995270).

Almost surely, 2^{20012200001191} is an apocalyptic number.

20012200001191 is a deficient number, since it is larger than the sum of its proper divisors (53231960969).

20012200001191 is a wasteful number, since it uses less digits than its factorization.

20012200001191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4581713.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 20012200001191 its reverse (19110000221002), we get a palindrome (39122200222193).

The spelling of 20012200001191 in words is "twenty trillion, twelve billion, two hundred million, one thousand, one hundred ninety-one".