13123330311232 has 56 divisors (see below), whose sum is σ = 27995458400640. Its totient is φ = 6084052323840.

The previous prime is 13123330311191. The next prime is 13123330311233. The reversal of 13123330311232 is 23211303332131.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 13123330311232.

It is not an unprimeable number, because it can be changed into a prime (13123330311233) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 114753619 + ... + 114867922.

Almost surely, 2^{13123330311232} is an apocalyptic number.

It is an amenable number.

13123330311232 is an abundant number, since it is smaller than the sum of its proper divisors (14872128089408).

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

13123330311232 is a wasteful number, since it uses less digits than its factorization.

13123330311232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229621619 (or 229621609 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 13123330311232 its reverse (23211303332131), we get a palindrome (36334633643363).

The spelling of 13123330311232 in words is "thirteen trillion, one hundred twenty-three billion, three hundred thirty million, three hundred eleven thousand, two hundred thirty-two".