12113321013220 has 24 divisors (see below), whose sum is σ = 29071970432064. Its totient is φ = 4153138633056.

The previous prime is 12113321013191. The next prime is 12113321013223. The reversal of 12113321013220 is 2231012331121.

It is a junction number, because it is equal to n+sod(n) for n = 12113321013191 and 12113321013200.

It is not an unprimeable number, because it can be changed into a prime (12113321013223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43261860622 + ... + 43261860901.

It is an arithmetic number, because the mean of its divisors is an integer number (1211332101336).

Almost surely, 2^{12113321013220} is an apocalyptic number.

12113321013220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12113321013220 is an abundant number, since it is smaller than the sum of its proper divisors (16958649418844).

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

12113321013220 is a wasteful number, since it uses less digits than its factorization.

12113321013220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86523721539 (or 86523721537 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 12113321013220 its reverse (2231012331121), we get a palindrome (14344333344341).

The spelling of 12113321013220 in words is "twelve trillion, one hundred thirteen billion, three hundred twenty-one million, thirteen thousand, two hundred twenty".