13311121301232 has 160 divisors (see below), whose sum is σ = 35714754109440. Its totient is φ = 4268984586240.

The previous prime is 13311121301209. The next prime is 13311121301263. The reversal of 13311121301232 is 23210312111331.

It is a super-2 number, since 2×13311121301232² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66984003 + ... + 67182429.

It is an arithmetic number, because the mean of its divisors is an integer number (223217213184).

Almost surely, 2^{13311121301232} is an apocalyptic number.

13311121301232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13311121301232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17857377054720).

13311121301232 is an abundant number, since it is smaller than the sum of its proper divisors (22403632808208).

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

13311121301232 is a wasteful number, since it uses less digits than its factorization.

13311121301232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198951 (or 198945 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 13311121301232 its reverse (23210312111331), we get a palindrome (36521433412563).

The spelling of 13311121301232 in words is "thirteen trillion, three hundred eleven billion, one hundred twenty-one million, three hundred one thousand, two hundred thirty-two".