112012221212831 has 2 divisors, whose sum is σ = 112012221212832. Its totient is φ = 112012221212830.

The previous prime is 112012221212819. The next prime is 112012221212909. The reversal of 112012221212831 is 138212122210211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 112012221212831 - 2¹⁸ = 112012220950687 is a prime.

It is a super-2 number, since 2×112012221212831² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 112012221212794 and 112012221212803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112012221212231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56006110606415 + 56006110606416.

It is an arithmetic number, because the mean of its divisors is an integer number (56006110606416).

Almost surely, 2^{112012221212831} is an apocalyptic number.

112012221212831 is a deficient number, since it is larger than the sum of its proper divisors (1).

112012221212831 is an equidigital number, since it uses as much as digits as its factorization.

112012221212831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 29.

The spelling of 112012221212831 in words is "one hundred twelve trillion, twelve billion, two hundred twenty-one million, two hundred twelve thousand, eight hundred thirty-one".