122112213 has 8 divisors (see below), whose sum is σ = 163195776. Its totient is φ = 81218400.

The previous prime is 122112209. The next prime is 122112229. The reversal of 122112213 is 312211221.

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

It is not a de Polignac number, because 122112213 - 2² = 122112209 is a prime.

It is a super-2 number, since 2×122112213² = 29822785127514738, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122112192 and 122112201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122112293) 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, 45928 + ... + 48513.

It is an arithmetic number, because the mean of its divisors is an integer number (20399472).

Almost surely, 2^122112213 is an apocalyptic number.

It is an amenable number.

122112213 is a deficient number, since it is larger than the sum of its proper divisors (41083563).

122112213 is an equidigital number, since it uses as much as digits as its factorization.

122112213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94875.

The product of its digits is 48, while the sum is 15.

The square root of 122112213 is about 11050.4394935224. The cubic root of 122112213 is about 496.1195799201.

Adding to 122112213 its reverse (312211221), we get a palindrome (434323434).

It can be divided in two parts, 12211221 and 3, that multiplied together give a palindrome (36633663).

The spelling of 122112213 in words is "one hundred twenty-two million, one hundred twelve thousand, two hundred thirteen".