12120303403 has 16 divisors (see below), whose sum is σ = 13392221920. Its totient is φ = 10898302464.

The previous prime is 12120303383. The next prime is 12120303409. The reversal of 12120303403 is 30430302121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12120303403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12120303409) 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, 179443 + ... + 237571.

It is an arithmetic number, because the mean of its divisors is an integer number (837013870).

Almost surely, 2^12120303403 is an apocalyptic number.

12120303403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12120303403 is a deficient number, since it is larger than the sum of its proper divisors (1271918517).

12120303403 is a wasteful number, since it uses less digits than its factorization.

12120303403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58558.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12120303403 its reverse (30430302121), we get a palindrome (42550605524).

The spelling of 12120303403 in words is "twelve billion, one hundred twenty million, three hundred three thousand, four hundred three".