12121230300 has 36 divisors (see below), whose sum is σ = 35070760536. Its totient is φ = 3232328000.

The previous prime is 12121230271. The next prime is 12121230301. The reversal of 12121230300 is 303212121.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12121230300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12121230301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20201751 + ... + 20202350.

Almost surely, 2^12121230300 is an apocalyptic number.

12121230300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12121230300 is an abundant number, since it is smaller than the sum of its proper divisors (22949530236).

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

12121230300 is a wasteful number, since it uses less digits than its factorization.

12121230300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40404118 (or 40404111 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12121230300 its reverse (303212121), we get a palindrome (12424442421).

The spelling of 12121230300 in words is "twelve billion, one hundred twenty-one million, two hundred thirty thousand, three hundred".