13112221303000 has 128 divisors (see below), whose sum is σ = 30949805652480. Its totient is φ = 5199404582400.

The previous prime is 13112221302991. The next prime is 13112221303009. The reversal of 13112221303000 is 30312221131.

13112221303000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13112221302991) and next prime (13112221303009).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13112221303009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54448857 + ... + 54689143.

It is an arithmetic number, because the mean of its divisors is an integer number (241795356660).

Almost surely, 2^{13112221303000} is an apocalyptic number.

13112221303000 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 13112221303000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15474902826240).

13112221303000 is an abundant number, since it is smaller than the sum of its proper divisors (17837584349480).

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

13112221303000 is a wasteful number, since it uses less digits than its factorization.

13112221303000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240782 (or 240768 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 13112221303000 its reverse (30312221131), we get a palindrome (13142533524131).

The spelling of 13112221303000 in words is "thirteen trillion, one hundred twelve billion, two hundred twenty-one million, three hundred three thousand".