112212215 has 8 divisors (see below), whose sum is σ = 134732160. Its totient is φ = 89718112.

The previous prime is 112212211. The next prime is 112212227. The reversal of 112212215 is 512212211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 112212215 - 2² = 112212211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112212193 and 112212202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112212211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4922 + ... + 15768.

It is an arithmetic number, because the mean of its divisors is an integer number (16841520).

Almost surely, 2^112212215 is an apocalyptic number.

112212215 is a deficient number, since it is larger than the sum of its proper divisors (22519945).

112212215 is a wasteful number, since it uses less digits than its factorization.

112212215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12921.

The product of its digits is 80, while the sum is 17.

The square root of 112212215 is about 10593.0267157220. The cubic root of 112212215 is about 482.3327061926.

Adding to 112212215 its reverse (512212211), we get a palindrome (624424426).

It can be divided in two parts, 1122 and 12215, that multiplied together give a triangular number (13705230 = T₅₂₃₅).

The spelling of 112212215 in words is "one hundred twelve million, two hundred twelve thousand, two hundred fifteen".