12113222110020 has 144 divisors (see below), whose sum is σ = 38968918829568. Its totient is φ = 3035172234240.

The previous prime is 12113222109929. The next prime is 12113222110027. The reversal of 12113222110020 is 2001122231121.

12113222110020 is a `hidden beast` number, since 1 + 211 + 322 + 2 + 110 + 0 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12113222109975 and 12113222110002.

It is not an unprimeable number, because it can be changed into a prime (12113222110027) 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, 1403346 + ... + 5118185.

It is an arithmetic number, because the mean of its divisors is an integer number (270617491872).

Almost surely, 2^{12113222110020} is an apocalyptic number.

12113222110020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12113222110020 is an abundant number, since it is smaller than the sum of its proper divisors (26855696719548).

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

12113222110020 is a wasteful number, since it uses less digits than its factorization.

12113222110020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6522170 (or 6522165 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 12113222110020 its reverse (2001122231121), we get a palindrome (14114344341141).

The spelling of 12113222110020 in words is "twelve trillion, one hundred thirteen billion, two hundred twenty-two million, one hundred ten thousand, twenty".