122100120312 has 32 divisors (see below), whose sum is σ = 305271925200. Its totient is φ = 40697156864.

The previous prime is 122100120301. The next prime is 122100120379. The reversal of 122100120312 is 213021001221.

It is a junction number, because it is equal to n+sod(n) for n = 122100120291 and 122100120300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180364 + ... + 526052.

Almost surely, 2^122100120312 is an apocalyptic number.

122100120312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122100120312 is an abundant number, since it is smaller than the sum of its proper divisors (183171804888).

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

122100120312 is a wasteful number, since it uses less digits than its factorization.

122100120312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360415 (or 360411 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 122100120312 its reverse (213021001221), we get a palindrome (335121121533).

The spelling of 122100120312 in words is "one hundred twenty-two billion, one hundred million, one hundred twenty thousand, three hundred twelve".