13121001223332 has 12 divisors (see below), whose sum is σ = 30615669521136. Its totient is φ = 4373667074440.

The previous prime is 13121001223289. The next prime is 13121001223339. The reversal of 13121001223332 is 23332210012131.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (13121001223339) 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, 546708384294 + ... + 546708384317.

It is an arithmetic number, because the mean of its divisors is an integer number (2551305793428).

Almost surely, 2^{13121001223332} is an apocalyptic number.

13121001223332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13121001223332 is an abundant number, since it is smaller than the sum of its proper divisors (17494668297804).

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

13121001223332 is a wasteful number, since it uses less digits than its factorization.

13121001223332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093416768618 (or 1093416768616 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 13121001223332 its reverse (23332210012131), we get a palindrome (36453211235463).

The spelling of 13121001223332 in words is "thirteen trillion, one hundred twenty-one billion, one million, two hundred twenty-three thousand, three hundred thirty-two".