13112100322420 has 48 divisors (see below), whose sum is σ = 30039034995648. Its totient is φ = 4767972168960.

The previous prime is 13112100322411. The next prime is 13112100322427. The reversal of 13112100322420 is 2422300121131.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 13112100322391 and 13112100322400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13112100322427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17818627 + ... + 18539893.

It is an arithmetic number, because the mean of its divisors is an integer number (625813229076).

Almost surely, 2^{13112100322420} is an apocalyptic number.

13112100322420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13112100322420 is an abundant number, since it is smaller than the sum of its proper divisors (16926934673228).

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

13112100322420 is a wasteful number, since it uses less digits than its factorization.

13112100322420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803920 (or 803918 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 13112100322420 its reverse (2422300121131), we get a palindrome (15534400443551).

The spelling of 13112100322420 in words is "thirteen trillion, one hundred twelve billion, one hundred million, three hundred twenty-two thousand, four hundred twenty".