12123120300300 has 108 divisors (see below), whose sum is σ = 38519784914520. Its totient is φ = 3188546691840.

The previous prime is 12123120300293. The next prime is 12123120300323. The reversal of 12123120300300 is 300302132121.

12123120300300 is a `hidden beast` number, since 1 + 2 + 12 + 31 + 20 + 300 + 300 = 666.

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

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, 92195490 + ... + 92326889.

Almost surely, 2^{12123120300300} is an apocalyptic number.

12123120300300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12123120300300 is an abundant number, since it is smaller than the sum of its proper divisors (26396664614220).

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

12123120300300 is a wasteful number, since it uses less digits than its factorization.

12123120300300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184522472 (or 184522462 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12123120300300 its reverse (300302132121), we get a palindrome (12423422432421).

The spelling of 12123120300300 in words is "twelve trillion, one hundred twenty-three billion, one hundred twenty million, three hundred thousand, three hundred".