12003303011 has 4 divisors (see below), whose sum is σ = 13718060592. Its totient is φ = 10288545432.

The previous prime is 12003302989. The next prime is 12003303017. The reversal of 12003303011 is 11030330021.

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

It is a cyclic number.

It is not a de Polignac number, because 12003303011 - 2⁶ = 12003302947 is a prime.

It is a super-2 number, since 2×12003303011² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12003303017) 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, 857378780 + ... + 857378793.

It is an arithmetic number, because the mean of its divisors is an integer number (3429515148).

Almost surely, 2^12003303011 is an apocalyptic number.

12003303011 is a deficient number, since it is larger than the sum of its proper divisors (1714757581).

12003303011 is an equidigital number, since it uses as much as digits as its factorization.

12003303011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1714757580.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 12003303011 its reverse (11030330021), we get a palindrome (23033633032).

The spelling of 12003303011 in words is "twelve billion, three million, three hundred three thousand, eleven".