12001103311103 has 16 divisors (see below), whose sum is σ = 12133421063424. Its totient is φ = 11869173751680.

The previous prime is 12001103311097. The next prime is 12001103311151. The reversal of 12001103311103 is 30111330110021.

It is a cyclic number.

It is not a de Polignac number, because 12001103311103 - 2¹² = 12001103307007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001108311103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177662951 + ... + 177730487.

It is an arithmetic number, because the mean of its divisors is an integer number (758338816464).

Almost surely, 2^{12001103311103} is an apocalyptic number.

12001103311103 is a deficient number, since it is larger than the sum of its proper divisors (132317752321).

12001103311103 is a wasteful number, since it uses less digits than its factorization.

12001103311103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70382.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 12001103311103 its reverse (30111330110021), we get a palindrome (42112433421124).

The spelling of 12001103311103 in words is "twelve trillion, one billion, one hundred three million, three hundred eleven thousand, one hundred three".