12320000100 has 72 divisors (see below), whose sum is σ = 39606527520. Its totient is φ = 3285332640.

The previous prime is 12320000093. The next prime is 12320000107. The reversal of 12320000100 is 100002321.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12320000093) and next prime (12320000107).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (12320000107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2278782 + ... + 2284181.

It is an arithmetic number, because the mean of its divisors is an integer number (550090660).

Almost surely, 2^12320000100 is an apocalyptic number.

12320000100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12320000100 is an abundant number, since it is smaller than the sum of its proper divisors (27286527420).

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

12320000100 is a wasteful number, since it uses less digits than its factorization.

12320000100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4562986 (or 4562973 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 12320000100 its reverse (100002321), we get a palindrome (12420002421).

It can be divided in two parts, 12320000 and 100, that added together give a square (12320100 = 3510²).

The spelling of 12320000100 in words is "twelve billion, three hundred twenty million, one hundred", and thus it is an aban number.