12126445315320 has 192 divisors, whose sum is σ = 43462648696320. Its totient is φ = 2651247574272.

The previous prime is 12126445315307. The next prime is 12126445315333. The reversal of 12126445315320 is 2351354462121.

12126445315320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12126445315307) and next prime (12126445315333).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13200484 + ... + 14089203.

It is an arithmetic number, because the mean of its divisors is an integer number (226367961960).

Almost surely, 2^{12126445315320} is an apocalyptic number.

12126445315320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12126445315320 is an abundant number, since it is smaller than the sum of its proper divisors (31336203381000).

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

12126445315320 is a wasteful number, since it uses less digits than its factorization.

12126445315320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27289754 (or 27289727 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

Adding to 12126445315320 its reverse (2351354462121), we get a palindrome (14477799777441).

The spelling of 12126445315320 in words is "twelve trillion, one hundred twenty-six billion, four hundred forty-five million, three hundred fifteen thousand, three hundred twenty".