122230312 has 8 divisors (see below), whose sum is σ = 229181850. Its totient is φ = 61115152.

The previous prime is 122230279. The next prime is 122230321. The reversal of 122230312 is 213032221.

It can be written as a sum of positive squares in only one way, i.e., 73034116 + 49196196 = 8546^2 + 7014^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7639387 + ... + 7639402.

Almost surely, 2^122230312 is an apocalyptic number.

It is an amenable number.

122230312 is a deficient number, since it is larger than the sum of its proper divisors (106951538).

122230312 is a wasteful number, since it uses less digits than its factorization.

122230312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15278795 (or 15278791 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 122230312 is about 11055.7818357636. The cubic root of 122230312 is about 496.2794665971.

Adding to 122230312 its reverse (213032221), we get a palindrome (335262533).

The spelling of 122230312 in words is "one hundred twenty-two million, two hundred thirty thousand, three hundred twelve".