12113320312002 has 128 divisors (see below), whose sum is σ = 30429279465984. Its totient is φ = 3129359321088.

The previous prime is 12113320311979. The next prime is 12113320312069. The reversal of 12113320312002 is 20021302331121.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 12113320312002.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17515528 + ... + 18193964.

It is an arithmetic number, because the mean of its divisors is an integer number (237728745828).

Almost surely, 2^{12113320312002} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12113320312002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15214639732992).

12113320312002 is an abundant number, since it is smaller than the sum of its proper divisors (18315959153982).

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

12113320312002 is a wasteful number, since it uses less digits than its factorization.

12113320312002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679132.

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

Adding to 12113320312002 its reverse (20021302331121), we get a palindrome (32134622643123).

The spelling of 12113320312002 in words is "twelve trillion, one hundred thirteen billion, three hundred twenty million, three hundred twelve thousand, two".