12310100 has 108 divisors (see below), whose sum is σ = 31747968. Its totient is φ = 4104000.

The previous prime is 12310097. The next prime is 12310121. The reversal of 12310100 is 101321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 397085 + ... + 397115.

Almost surely, 2^12310100 is an apocalyptic number.

12310100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12310100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15873984).

12310100 is an abundant number, since it is smaller than the sum of its proper divisors (19437868).

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

12310100 is a wasteful number, since it uses less digits than its factorization.

12310100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 68 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 12310100 is about 3508.5752093977. The cubic root of 12310100 is about 230.8981891756.

Adding to 12310100 its reverse (101321), we get a palindrome (12411421).

The spelling of 12310100 in words is "twelve million, three hundred ten thousand, one hundred".