12120034403 has 8 divisors (see below), whose sum is σ = 12320140800. Its totient is φ = 11921095368.

The previous prime is 12120034397. The next prime is 12120034447. The reversal of 12120034403 is 30443002121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12120034403 - 2⁴ = 12120034387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12120034453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270893 + ... + 312446.

It is an arithmetic number, because the mean of its divisors is an integer number (1540017600).

Almost surely, 2^12120034403 is an apocalyptic number.

12120034403 is a deficient number, since it is larger than the sum of its proper divisors (200106397).

12120034403 is an equidigital number, since it uses as much as digits as its factorization.

12120034403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583681.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 12120034403 its reverse (30443002121), we get a palindrome (42563036524).

The spelling of 12120034403 in words is "twelve billion, one hundred twenty million, thirty-four thousand, four hundred three".