122023312 has 20 divisors (see below), whose sum is σ = 236592000. Its totient is φ = 60967328.

The previous prime is 122023309. The next prime is 122023351. The reversal of 122023312 is 213320221.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39189 + ... + 42187.

It is an arithmetic number, because the mean of its divisors is an integer number (11829600).

Almost surely, 2^122023312 is an apocalyptic number.

It is an amenable number.

122023312 is a deficient number, since it is larger than the sum of its proper divisors (114568688).

122023312 is a wasteful number, since it uses less digits than its factorization.

122023312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5550 (or 5544 counting only the distinct ones).

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

The square root of 122023312 is about 11046.4162514365. The cubic root of 122023312 is about 495.9991545251. Note that the first 3 decimals are identical.

Adding to 122023312 its reverse (213320221), we get a palindrome (335343533).

The spelling of 122023312 in words is "one hundred twenty-two million, twenty-three thousand, three hundred twelve".