13123332550412 has 12 divisors (see below), whose sum is σ = 26246665100880. Its totient is φ = 5624285378736.

The previous prime is 13123332550379. The next prime is 13123332550417. The reversal of 13123332550412 is 21405523332131.

13123332550412 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (13123332550417) 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, 234345224087 + ... + 234345224142.

It is an arithmetic number, because the mean of its divisors is an integer number (2187222091740).

Almost surely, 2^{13123332550412} is an apocalyptic number.

It is an amenable number.

13123332550412 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13123332550412 is a wasteful number, since it uses less digits than its factorization.

13123332550412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468690448240 (or 468690448238 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

Adding to 13123332550412 its reverse (21405523332131), we get a palindrome (34528855882543).

The spelling of 13123332550412 in words is "thirteen trillion, one hundred twenty-three billion, three hundred thirty-two million, five hundred fifty thousand, four hundred twelve".