12320342100 has 108 divisors (see below), whose sum is σ = 42128136960. Its totient is φ = 2986747200.

The previous prime is 12320342071. The next prime is 12320342129. The reversal of 12320342100 is 124302321.

12320342100 is a `hidden beast` number, since 1 + 2 + 320 + 342 + 1 + 0 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (12320342071) and next prime (12320342129).

It is a super-2 number, since 2×12320342100² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 612340 + ... + 632139.

Almost surely, 2^12320342100 is an apocalyptic number.

12320342100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12320342100 is an abundant number, since it is smaller than the sum of its proper divisors (29807794860).

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

12320342100 is a wasteful number, since it uses less digits than its factorization.

12320342100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244510 (or 1244500 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 12320342100 its reverse (124302321), we get a palindrome (12444644421).

The spelling of 12320342100 in words is "twelve billion, three hundred twenty million, three hundred forty-two thousand, one hundred".