13121122213232 has 40 divisors (see below), whose sum is σ = 27733727487360. Its totient is φ = 5964050450880.

The previous prime is 13121122213231. The next prime is 13121122213319. The reversal of 13121122213232 is 23231222112131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13121122213231) 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, 10999343 + ... + 12133745.

It is an arithmetic number, because the mean of its divisors is an integer number (693343187184).

Almost surely, 2^{13121122213232} is an apocalyptic number.

It is an amenable number.

13121122213232 is an abundant number, since it is smaller than the sum of its proper divisors (14612605274128).

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

13121122213232 is a wasteful number, since it uses less digits than its factorization.

13121122213232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200141 (or 1200135 counting only the distinct ones).

The product of its digits is 1728, while the sum is 26.

Adding to 13121122213232 its reverse (23231222112131), we get a palindrome (36352344325363).

The spelling of 13121122213232 in words is "thirteen trillion, one hundred twenty-one billion, one hundred twenty-two million, two hundred thirteen thousand, two hundred thirty-two".