112012323021 has 12 divisors (see below), whose sum is σ = 164848325148. Its totient is φ = 73265921664.

The previous prime is 112012323011. The next prime is 112012323079. The reversal of 112012323021 is 120323210211.

It can be written as a sum of positive squares in 2 ways, for example, as 97222358025 + 14789964996 = 311805^2 + 121614^2 .

It is not a de Polignac number, because 112012323021 - 2⁹ = 112012322509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112012322985 and 112012323003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112012323011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117412860 + ... + 117413813.

It is an arithmetic number, because the mean of its divisors is an integer number (13737360429).

Almost surely, 2^112012323021 is an apocalyptic number.

It is an amenable number.

112012323021 is a deficient number, since it is larger than the sum of its proper divisors (52836002127).

112012323021 is a wasteful number, since it uses less digits than its factorization.

112012323021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234826732 (or 234826729 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 112012323021 its reverse (120323210211), we get a palindrome (232335533232).

The spelling of 112012323021 in words is "one hundred twelve billion, twelve million, three hundred twenty-three thousand, twenty-one".