112012221243 has 16 divisors (see below), whose sum is σ = 160867723520. Its totient is φ = 68917885344.

The previous prime is 112012221239. The next prime is 112012221259. The reversal of 112012221243 is 342122210211.

It is a happy number.

It is not a de Polignac number, because 112012221243 - 2² = 112012221239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112012221263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48421 + ... + 475782.

It is an arithmetic number, because the mean of its divisors is an integer number (10054232720).

Almost surely, 2^112012221243 is an apocalyptic number.

112012221243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

112012221243 is a deficient number, since it is larger than the sum of its proper divisors (48855502277).

112012221243 is a wasteful number, since it uses less digits than its factorization.

112012221243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529698.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 112012221243 its reverse (342122210211), we get a palindrome (454134431454).

The spelling of 112012221243 in words is "one hundred twelve billion, twelve million, two hundred twenty-one thousand, two hundred forty-three".