112312012121999 has 8 divisors (see below), whose sum is σ = 112860591812688. Its totient is φ = 111764488409280.

The previous prime is 112312012121941. The next prime is 112312012122007. The reversal of 112312012121999 is 999121210213211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112312012121999 is a prime.

It is a super-2 number, since 2×112312012121999² (a number of 29 digits) contains 22 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 (112312012121299) 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, 263781257 + ... + 264206690.

It is an arithmetic number, because the mean of its divisors is an integer number (14107573976586).

Almost surely, 2^{112312012121999} is an apocalyptic number.

112312012121999 is a deficient number, since it is larger than the sum of its proper divisors (548579690689).

112312012121999 is an equidigital number, since it uses as much as digits as its factorization.

112312012121999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527988985.

The product of its (nonzero) digits is 34992, while the sum is 44.

The spelling of 112312012121999 in words is "one hundred twelve trillion, three hundred twelve billion, twelve million, one hundred twenty-one thousand, nine hundred ninety-nine".