122102312 has 16 divisors (see below), whose sum is σ = 229971840. Its totient is φ = 60776496.

The previous prime is 122102311. The next prime is 122102317. The reversal of 122102312 is 213201221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (122102311) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 32438 + ... + 36005.

It is an arithmetic number, because the mean of its divisors is an integer number (14373240).

Almost surely, 2^122102312 is an apocalyptic number.

It is an amenable number.

122102312 is a deficient number, since it is larger than the sum of its proper divisors (107869528).

122102312 is a wasteful number, since it uses less digits than its factorization.

122102312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68672 (or 68668 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 122102312 is about 11049.9914932094. The cubic root of 122102312 is about 496.1061709071.

Adding to 122102312 its reverse (213201221), we get a palindrome (335303533).

The spelling of 122102312 in words is "one hundred twenty-two million, one hundred two thousand, three hundred twelve".