12300307280172 has 36 divisors (see below), whose sum is σ = 32095425450816. Its totient is φ = 3967841057760.

The previous prime is 12300307280159. The next prime is 12300307280201. The reversal of 12300307280172 is 27108270300321.

12300307280172 is a `hidden beast` number, since 1 + 2 + 3 + 0 + 0 + 307 + 280 + 1 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5510889243 + ... + 5510891474.

It is an arithmetic number, because the mean of its divisors is an integer number (891539595856).

Almost surely, 2^{12300307280172} is an apocalyptic number.

12300307280172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12300307280172 is an abundant number, since it is smaller than the sum of its proper divisors (19795118170644).

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

12300307280172 is a wasteful number, since it uses less digits than its factorization.

12300307280172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11021780758 (or 11021780753 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

Adding to 12300307280172 its reverse (27108270300321), we get a palindrome (39408577580493).

The spelling of 12300307280172 in words is "twelve trillion, three hundred billion, three hundred seven million, two hundred eighty thousand, one hundred seventy-two".