122103312 has 40 divisors (see below), whose sum is σ = 316069056. Its totient is φ = 40619136.

The previous prime is 122103301. The next prime is 122103337. The reversal of 122103312 is 213301221.

It is a junction number, because it is equal to n+sod(n) for n = 122103291 and 122103300.

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 in 7 ways as a sum of consecutive naturals, for example, 24453 + ... + 29019.

Almost surely, 2^122103312 is an apocalyptic number.

122103312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122103312 is an abundant number, since it is smaller than the sum of its proper divisors (193965744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122103312 is a wasteful number, since it uses less digits than its factorization.

122103312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5135 (or 5129 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 122103312 is about 11050.0367420204. The cubic root of 122103312 is about 496.1075252490.

Adding to 122103312 its reverse (213301221), we get a palindrome (335404533).

The spelling of 122103312 in words is "one hundred twenty-two million, one hundred three thousand, three hundred twelve".