122231010312 has 64 divisors (see below), whose sum is σ = 339590361600. Its totient is φ = 40736496960.

The previous prime is 122231010289. The next prime is 122231010329. The reversal of 122231010312 is 213010132221.

122231010312 is a `hidden beast` number, since 12 + 22 + 310 + 10 + 312 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1259362 + ... + 1352942.

It is an arithmetic number, because the mean of its divisors is an integer number (5306099400).

Almost surely, 2^122231010312 is an apocalyptic number.

122231010312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122231010312 is an abundant number, since it is smaller than the sum of its proper divisors (217359351288).

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

122231010312 is a wasteful number, since it uses less digits than its factorization.

122231010312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99643 (or 99633 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 122231010312 its reverse (213010132221), we get a palindrome (335241142533).

The spelling of 122231010312 in words is "one hundred twenty-two billion, two hundred thirty-one million, ten thousand, three hundred twelve".