12100100200320 has 128 divisors (see below), whose sum is σ = 42075348497280. Its totient is φ = 2933357619200.

The previous prime is 12100100200277. The next prime is 12100100200327. The reversal of 12100100200320 is 2300200100121.

It is a tau number, because it is divible by the number of its divisors (128).

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 = 12100100200296 and 12100100200305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100100200327) 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, 286439586 + ... + 286481825.

It is an arithmetic number, because the mean of its divisors is an integer number (328713660135).

Almost surely, 2^{12100100200320} is an apocalyptic number.

12100100200320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12100100200320 is an abundant number, since it is smaller than the sum of its proper divisors (29975248296960).

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

12100100200320 is a wasteful number, since it uses less digits than its factorization.

12100100200320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572921444 (or 572921432 counting only the distinct ones).

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

Adding to 12100100200320 its reverse (2300200100121), we get a palindrome (14400300300441).

The spelling of 12100100200320 in words is "twelve trillion, one hundred billion, one hundred million, two hundred thousand, three hundred twenty".