20212012000191 has 16 divisors (see below), whose sum is σ = 29674049908608. Its totient is φ = 12135221023200.

The previous prime is 20212012000183. The next prime is 20212012000207. The reversal of 20212012000191 is 19100021021202.

It is not a de Polignac number, because 20212012000191 - 2³ = 20212012000183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212012000121) 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, 2862076900 + ... + 2862083961.

It is an arithmetic number, because the mean of its divisors is an integer number (1854628119288).

Almost surely, 2^{20212012000191} is an apocalyptic number.

20212012000191 is a deficient number, since it is larger than the sum of its proper divisors (9462037908417).

20212012000191 is a wasteful number, since it uses less digits than its factorization.

20212012000191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5724160982.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 20212012000191 its reverse (19100021021202), we get a palindrome (39312033021393).

The spelling of 20212012000191 in words is "twenty trillion, two hundred twelve billion, twelve million, one hundred ninety-one", and thus it is an aban number.