1200303120103 has 4 divisors (see below), whose sum is σ = 1200323484448. Its totient is φ = 1200282755760.

The previous prime is 1200303120077. The next prime is 1200303120119. The reversal of 1200303120103 is 3010213030021.

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 1200303120103 - 2³³ = 1191713185511 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 (1200303520103) 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, 10093503 + ... + 10211728.

It is an arithmetic number, because the mean of its divisors is an integer number (300080871112).

Almost surely, 2^{1200303120103} is an apocalyptic number.

1200303120103 is a deficient number, since it is larger than the sum of its proper divisors (20364345).

1200303120103 is an equidigital number, since it uses as much as digits as its factorization.

1200303120103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20364344.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 1200303120103 its reverse (3010213030021), we get a palindrome (4210516150124).

It can be divided in two parts, 1200 and 303120103, that added together give a palindrome (303121303).

The spelling of 1200303120103 in words is "one trillion, two hundred billion, three hundred three million, one hundred twenty thousand, one hundred three".