13121144033200 has 120 divisors (see below), whose sum is σ = 36482950100480. Its totient is φ = 4441732588800.

The previous prime is 13121144033171. The next prime is 13121144033213. The reversal of 13121144033200 is 233044112131.

It is a Harshad number since it is a multiple of its sum of digits (25).

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, 29437806 + ... + 29880205.

Almost surely, 2^{13121144033200} is an apocalyptic number.

13121144033200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13121144033200 is an abundant number, since it is smaller than the sum of its proper divisors (23361806067280).

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

13121144033200 is a wasteful number, since it uses less digits than its factorization.

13121144033200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59318115 (or 59318104 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 13121144033200 its reverse (233044112131), we get a palindrome (13354188145331).

The spelling of 13121144033200 in words is "thirteen trillion, one hundred twenty-one billion, one hundred forty-four million, thirty-three thousand, two hundred".