12122330100 has 72 divisors (see below), whose sum is σ = 35597492448. Its totient is φ = 3184368000.

The previous prime is 12122330089. The next prime is 12122330161. The reversal of 12122330100 is 103322121.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12122330100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 281451 + ... + 321650.

Almost surely, 2^12122330100 is an apocalyptic number.

12122330100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12122330100 is an abundant number, since it is smaller than the sum of its proper divisors (23475162348).

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

12122330100 is a wasteful number, since it uses less digits than its factorization.

12122330100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603185 (or 603178 counting only the distinct ones).

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

Adding to 12122330100 its reverse (103322121), we get a palindrome (12225652221).

The spelling of 12122330100 in words is "twelve billion, one hundred twenty-two million, three hundred thirty thousand, one hundred".