12021507303 has 16 divisors (see below), whose sum is σ = 17296272000. Its totient is φ = 7383013344.

The previous prime is 12021507287. The next prime is 12021507319. The reversal of 12021507303 is 30370512021.

12021507303 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12021507287) and next prime (12021507319).

It is not a de Polignac number, because 12021507303 - 2⁴ = 12021507287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021507343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 289401 + ... + 328322.

It is an arithmetic number, because the mean of its divisors is an integer number (1081017000).

Almost surely, 2^12021507303 is an apocalyptic number.

12021507303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12021507303 is a deficient number, since it is larger than the sum of its proper divisors (5274764697).

12021507303 is a wasteful number, since it uses less digits than its factorization.

12021507303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618238.

The product of its (nonzero) digits is 1260, while the sum is 24.

The spelling of 12021507303 in words is "twelve billion, twenty-one million, five hundred seven thousand, three hundred three".