13233121325144 has 32 divisors (see below), whose sum is σ = 28357095163680. Its totient is φ = 5671256388864.

The previous prime is 13233121325141. The next prime is 13233121325173. The reversal of 13233121325144 is 44152312133231.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13233121325141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2330684 + ... + 5647860.

It is an arithmetic number, because the mean of its divisors is an integer number (886159223865).

Almost surely, 2^{13233121325144} is an apocalyptic number.

13233121325144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13233121325144 is an abundant number, since it is smaller than the sum of its proper divisors (15123973838536).

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

13233121325144 is a wasteful number, since it uses less digits than its factorization.

13233121325144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3388427 (or 3388423 counting only the distinct ones).

The product of its digits is 51840, while the sum is 35.

Adding to 13233121325144 its reverse (44152312133231), we get a palindrome (57385433458375).

The spelling of 13233121325144 in words is "thirteen trillion, two hundred thirty-three billion, one hundred twenty-one million, three hundred twenty-five thousand, one hundred forty-four".