13312203011220 has 48 divisors (see below), whose sum is σ = 38141009565120. Its totient is φ = 3467364504576.

The previous prime is 13312203011183. The next prime is 13312203011287. The reversal of 13312203011220 is 2211030221331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2579881725 + ... + 2579886884.

It is an arithmetic number, because the mean of its divisors is an integer number (794604365940).

Almost surely, 2^{13312203011220} is an apocalyptic number.

13312203011220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13312203011220 is an abundant number, since it is smaller than the sum of its proper divisors (24828806553900).

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

13312203011220 is a wasteful number, since it uses less digits than its factorization.

13312203011220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5159768664 (or 5159768662 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 13312203011220 its reverse (2211030221331), we get a palindrome (15523233232551).

The spelling of 13312203011220 in words is "thirteen trillion, three hundred twelve billion, two hundred three million, eleven thousand, two hundred twenty".