12003430133 has 4 divisors (see below), whose sum is σ = 12079885260. Its totient is φ = 11926975008.

The previous prime is 12003430129. The next prime is 12003430213. The reversal of 12003430133 is 33103430021.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2644222084 + 9359208049 = 51422^2 + 96743^2 .

It is a cyclic number.

It is not a de Polignac number, because 12003430133 - 2² = 12003430129 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 (12003430333) 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, 38227328 + ... + 38227641.

It is an arithmetic number, because the mean of its divisors is an integer number (3019971315).

Almost surely, 2^12003430133 is an apocalyptic number.

It is an amenable number.

12003430133 is a deficient number, since it is larger than the sum of its proper divisors (76455127).

12003430133 is an equidigital number, since it uses as much as digits as its factorization.

12003430133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76455126.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 12003430133 its reverse (33103430021), we get a palindrome (45106860154).

The spelling of 12003430133 in words is "twelve billion, three million, four hundred thirty thousand, one hundred thirty-three".