112021212112 has 40 divisors (see below), whose sum is σ = 221238866592. Its totient is φ = 54937680000.

The previous prime is 112021212103. The next prime is 112021212161. The reversal of 112021212112 is 211212120211.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 151014 + ... + 496837.

Almost surely, 2^112021212112 is an apocalyptic number.

It is an amenable number.

112021212112 is a deficient number, since it is larger than the sum of its proper divisors (109217654480).

112021212112 is a wasteful number, since it uses less digits than its factorization.

112021212112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648067 (or 648061 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 112021212112 its reverse (211212120211), we get a palindrome (323233332323).

The spelling of 112021212112 in words is "one hundred twelve billion, twenty-one million, two hundred twelve thousand, one hundred twelve".