1200330031103 has 12 divisors (see below), whose sum is σ = 1396325623320. Its totient is φ = 1028837112912.

The previous prime is 1200330031097. The next prime is 1200330031139. The reversal of 1200330031103 is 3011300330021.

It is not a de Polignac number, because 1200330031103 - 2¹² = 1200330027007 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 (1200330031603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3395825 + ... + 3732597.

It is an arithmetic number, because the mean of its divisors is an integer number (116360468610).

Almost surely, 2^{1200330031103} is an apocalyptic number.

1200330031103 is a deficient number, since it is larger than the sum of its proper divisors (195995592217).

1200330031103 is an equidigital number, since it uses as much as digits as its factorization.

1200330031103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409526 (or 409519 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 1200330031103 its reverse (3011300330021), we get a palindrome (4211630361124).

The spelling of 1200330031103 in words is "one trillion, two hundred billion, three hundred thirty million, thirty-one thousand, one hundred three".