112412221 has 2 divisors, whose sum is σ = 112412222. Its totient is φ = 112412220.

The previous prime is 112412213. The next prime is 112412239. The reversal of 112412221 is 122214211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108368100 + 4044121 = 10410^2 + 2011^2 .

It is a cyclic number.

It is not a de Polignac number, because 112412221 - 2³ = 112412213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112412195 and 112412204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112412021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56206110 + 56206111.

It is an arithmetic number, because the mean of its divisors is an integer number (56206111).

Almost surely, 2^112412221 is an apocalyptic number.

It is an amenable number.

112412221 is a deficient number, since it is larger than the sum of its proper divisors (1).

112412221 is an equidigital number, since it uses as much as digits as its factorization.

112412221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64, while the sum is 16.

The square root of 112412221 is about 10602.4629685748. The cubic root of 112412221 is about 482.6191045333.

Adding to 112412221 its reverse (122214211), we get a palindrome (234626432).

The spelling of 112412221 in words is "one hundred twelve million, four hundred twelve thousand, two hundred twenty-one".