12300445421232 has 20 divisors (see below), whose sum is σ = 31776150671640. Its totient is φ = 4100148473728.

The previous prime is 12300445421227. The next prime is 12300445421237. The reversal of 12300445421232 is 23212454400321.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12300445421227) and next prime (12300445421237).

It is a junction number, because it is equal to n+sod(n) for n = 12300445421193 and 12300445421202.

It is not an unprimeable number, because it can be changed into a prime (12300445421237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128129639757 + ... + 128129639852.

It is an arithmetic number, because the mean of its divisors is an integer number (1588807533582).

Almost surely, 2^{12300445421232} is an apocalyptic number.

12300445421232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12300445421232 is an abundant number, since it is smaller than the sum of its proper divisors (19475705250408).

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

12300445421232 is a wasteful number, since it uses less digits than its factorization.

12300445421232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256259279620 (or 256259279614 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

Adding to 12300445421232 its reverse (23212454400321), we get a palindrome (35512899821553).

The spelling of 12300445421232 in words is "twelve trillion, three hundred billion, four hundred forty-five million, four hundred twenty-one thousand, two hundred thirty-two".