12103011100303 has 4 divisors (see below), whose sum is σ = 12493430813248. Its totient is φ = 11712591387360.

The previous prime is 12103011100291. The next prime is 12103011100309. The reversal of 12103011100303 is 30300111030121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12103011100303 - 2³⁷ = 11965572146831 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 (12103011100309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195209856426 + ... + 195209856487.

It is an arithmetic number, because the mean of its divisors is an integer number (3123357703312).

Almost surely, 2^{12103011100303} is an apocalyptic number.

12103011100303 is a deficient number, since it is larger than the sum of its proper divisors (390419712945).

12103011100303 is an equidigital number, since it uses as much as digits as its factorization.

12103011100303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390419712944.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 12103011100303 its reverse (30300111030121), we get a palindrome (42403122130424).

The spelling of 12103011100303 in words is "twelve trillion, one hundred three billion, eleven million, one hundred thousand, three hundred three".