13225821199998 has 96 divisors (see below), whose sum is σ = 29956264835616. Its totient is φ = 3887469696000.

The previous prime is 13225821199993. The next prime is 13225821200023. The reversal of 13225821199998 is 89999112852231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13225821199993) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3865338 + ... + 6433698.

It is an arithmetic number, because the mean of its divisors is an integer number (312044425371).

Almost surely, 2^{13225821199998} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13225821199998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14978132417808).

13225821199998 is an abundant number, since it is smaller than the sum of its proper divisors (16730443635618).

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

13225821199998 is a wasteful number, since it uses less digits than its factorization.

13225821199998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2568602 (or 2568591 counting only the distinct ones).

The product of its digits is 50388480, while the sum is 69.

The spelling of 13225821199998 in words is "thirteen trillion, two hundred twenty-five billion, eight hundred twenty-one million, one hundred ninety-nine thousand, nine hundred ninety-eight".