12303544212120 has 128 divisors (see below), whose sum is σ = 42184508774400. Its totient is φ = 2812176769536.

The previous prime is 12303544212109. The next prime is 12303544212139. The reversal of 12303544212120 is 2121244530321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45821697 + ... + 46089423.

It is an arithmetic number, because the mean of its divisors is an integer number (329566474800).

Almost surely, 2^{12303544212120} is an apocalyptic number.

12303544212120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12303544212120 is an abundant number, since it is smaller than the sum of its proper divisors (29880964562280).

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

12303544212120 is a wasteful number, since it uses less digits than its factorization.

12303544212120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322457 (or 322453 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 12303544212120 its reverse (2121244530321), we get a palindrome (14424788742441).

The spelling of 12303544212120 in words is "twelve trillion, three hundred three billion, five hundred forty-four million, two hundred twelve thousand, one hundred twenty".