122003100312 has 16 divisors (see below), whose sum is σ = 305007750840. Its totient is φ = 40667700096.

The previous prime is 122003100301. The next prime is 122003100313. The reversal of 122003100312 is 213001300221.

It is a junction number, because it is equal to n+sod(n) for n = 122003100291 and 122003100300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122003100313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2541731233 + ... + 2541731280.

Almost surely, 2^122003100312 is an apocalyptic number.

122003100312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122003100312 is an abundant number, since it is smaller than the sum of its proper divisors (183004650528).

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

122003100312 is a wasteful number, since it uses less digits than its factorization.

122003100312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5083462522 (or 5083462518 counting only the distinct ones).

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

Adding to 122003100312 its reverse (213001300221), we get a palindrome (335004400533).

The spelling of 122003100312 in words is "one hundred twenty-two billion, three million, one hundred thousand, three hundred twelve".