12013033303 has 4 divisors (see below), whose sum is σ = 12157768728. Its totient is φ = 11868297880.

The previous prime is 12013033301. The next prime is 12013033313. The reversal of 12013033303 is 30333031021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30333031021 = 349 ⋅86914129.

It is a cyclic number.

It is not a de Polignac number, because 12013033303 - 2¹ = 12013033301 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 (12013033301) 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, 72367588 + ... + 72367753.

It is an arithmetic number, because the mean of its divisors is an integer number (3039442182).

Almost surely, 2^12013033303 is an apocalyptic number.

12013033303 is a deficient number, since it is larger than the sum of its proper divisors (144735425).

12013033303 is an equidigital number, since it uses as much as digits as its factorization.

12013033303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144735424.

The product of its (nonzero) digits is 486, while the sum is 19.

Adding to 12013033303 its reverse (30333031021), we get a palindrome (42346064324).

The spelling of 12013033303 in words is "twelve billion, thirteen million, thirty-three thousand, three hundred three".