12001113321100 has 72 divisors (see below), whose sum is σ = 27480028978080. Its totient is φ = 4540137761280.

The previous prime is 12001113321097. The next prime is 12001113321137. The reversal of 12001113321100 is 112331110021.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29109207 + ... + 29518606.

It is an arithmetic number, because the mean of its divisors is an integer number (381667069140).

Almost surely, 2^{12001113321100} is an apocalyptic number.

12001113321100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12001113321100 is an abundant number, since it is smaller than the sum of its proper divisors (15478915656980).

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

12001113321100 is a wasteful number, since it uses less digits than its factorization.

12001113321100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58627939 (or 58627932 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 12001113321100 its reverse (112331110021), we get a palindrome (12113444431121).

The spelling of 12001113321100 in words is "twelve trillion, one billion, one hundred thirteen million, three hundred twenty-one thousand, one hundred".