12021030303 has 8 divisors (see below), whose sum is σ = 16032250416. Its totient is φ = 8011915200.

The previous prime is 12021030269. The next prime is 12021030311. The reversal of 12021030303 is 30303012021.

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

It is a de Polignac number, because none of the positive numbers 2^k-12021030303 is a prime.

12021030303 is a modest number, since divided by 30303 gives 12021 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021230303) 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, 512878 + ... + 535803.

It is an arithmetic number, because the mean of its divisors is an integer number (2004031302).

Almost surely, 2^12021030303 is an apocalyptic number.

12021030303 is a deficient number, since it is larger than the sum of its proper divisors (4011220113).

12021030303 is a wasteful number, since it uses less digits than its factorization.

12021030303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052505.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 12021030303 its reverse (30303012021), we get a palindrome (42324042324).

The spelling of 12021030303 in words is "twelve billion, twenty-one million, thirty thousand, three hundred three".