122612216 has 16 divisors (see below), whose sum is σ = 230031240. Its totient is φ = 61270560.

The previous prime is 122612213. The next prime is 122612219. The reversal of 122612216 is 612216221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (122612213) and next prime (122612219).

It is a junction number, because it is equal to n+sod(n) for n = 122612191 and 122612200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122612213) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 15455 + ... + 22001.

Almost surely, 2^122612216 is an apocalyptic number.

It is an amenable number.

122612216 is a deficient number, since it is larger than the sum of its proper divisors (107419024).

122612216 is a wasteful number, since it uses less digits than its factorization.

122612216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8894 (or 8890 counting only the distinct ones).

The product of its digits is 576, while the sum is 23.

The square root of 122612216 is about 11073.0400523072. The cubic root of 122612216 is about 496.7957980426.

Adding to 122612216 its reverse (612216221), we get a palindrome (734828437).

The spelling of 122612216 in words is "one hundred twenty-two million, six hundred twelve thousand, two hundred sixteen".