122312330 has 72 divisors (see below), whose sum is σ = 263987748. Its totient is φ = 40680192.

The previous prime is 122312299. The next prime is 122312341. The reversal of 122312330 is 33213221.

It can be written as a sum of positive squares in 2 ways, for example, as 104019601 + 18292729 = 10199^2 + 4277^2 .

It is a junction number, because it is equal to n+sod(n) for n = 122312299 and 122312308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1082354 + ... + 1082466.

Almost surely, 2^122312330 is an apocalyptic number.

122312330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122312330 is an abundant number, since it is smaller than the sum of its proper divisors (141675418).

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

122312330 is a wasteful number, since it uses less digits than its factorization.

122312330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228 (or 174 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 122312330 is about 11059.4904945933. The cubic root of 122312330 is about 496.3904449290.

Adding to 122312330 its reverse (33213221), we get a palindrome (155525551).

The spelling of 122312330 in words is "one hundred twenty-two million, three hundred twelve thousand, three hundred thirty".