112212120121019 has 4 divisors (see below), whose sum is σ = 118118021180040. Its totient is φ = 106306219062000.

The previous prime is 112212120121009. The next prime is 112212120121051. The reversal of 112212120121019 is 910121021212211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 112212120121019 - 2²⁴ = 112212103343803 is a prime.

It is a super-3 number, since 3×112212120121019³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112212120121009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2952950529482 + ... + 2952950529519.

It is an arithmetic number, because the mean of its divisors is an integer number (29529505295010).

Almost surely, 2^{112212120121019} is an apocalyptic number.

112212120121019 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

112212120121019 is a deficient number, since it is larger than the sum of its proper divisors (5905901059021).

112212120121019 is an equidigital number, since it uses as much as digits as its factorization.

112212120121019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5905901059020.

The product of its (nonzero) digits is 288, while the sum is 26.

The spelling of 112212120121019 in words is "one hundred twelve trillion, two hundred twelve billion, one hundred twenty million, one hundred twenty-one thousand, nineteen".