12100102320 has 80 divisors (see below), whose sum is σ = 38146129920. Its totient is φ = 3172000512.

The previous prime is 12100102309. The next prime is 12100102321. The reversal of 12100102320 is 2320100121.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 12100102296 and 12100102305.

It is not an unprimeable number, because it can be changed into a prime (12100102321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 413104 + ... + 441423.

It is an arithmetic number, because the mean of its divisors is an integer number (476826624).

Almost surely, 2^12100102320 is an apocalyptic number.

12100102320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12100102320 is an abundant number, since it is smaller than the sum of its proper divisors (26046027600).

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

12100102320 is a wasteful number, since it uses less digits than its factorization.

12100102320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854602 (or 854596 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 12100102320 its reverse (2320100121), we get a palindrome (14420202441).

The spelling of 12100102320 in words is "twelve billion, one hundred million, one hundred two thousand, three hundred twenty".