13121033200 has 120 divisors (see below), whose sum is σ = 35228276496. Its totient is φ = 4654848000.

The previous prime is 13121033197. The next prime is 13121033221. The reversal of 13121033200 is 233012131.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 144034 + ... + 216766.

Almost surely, 2^13121033200 is an apocalyptic number.

13121033200 is a gapful number since it is divisible by the number (10) 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 13121033200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17614138248).

13121033200 is an abundant number, since it is smaller than the sum of its proper divisors (22107243296).

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

13121033200 is a wasteful number, since it uses less digits than its factorization.

13121033200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72803 (or 72792 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 13121033200 its reverse (233012131), we get a palindrome (13354045331).

The spelling of 13121033200 in words is "thirteen billion, one hundred twenty-one million, thirty-three thousand, two hundred".