12023111100100 has 72 divisors (see below), whose sum is σ = 26343268610400. Its totient is φ = 4762618533120.

The previous prime is 12023111100059. The next prime is 12023111100103. The reversal of 12023111100100 is 100111132021.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12023111100103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30373251 + ... + 30766549.

It is an arithmetic number, because the mean of its divisors is an integer number (365878730700).

Almost surely, 2^{12023111100100} is an apocalyptic number.

12023111100100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12023111100100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13171634305200).

12023111100100 is an abundant number, since it is smaller than the sum of its proper divisors (14320157510300).

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

12023111100100 is a wasteful number, since it uses less digits than its factorization.

12023111100100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396277 (or 396270 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 12023111100100 its reverse (100111132021), we get a palindrome (12123222232121).

The spelling of 12023111100100 in words is "twelve trillion, twenty-three billion, one hundred eleven million, one hundred thousand, one hundred".