12030202021 has 8 divisors (see below), whose sum is σ = 12055579200. Its totient is φ = 12004852800.

The previous prime is 12030202007. The next prime is 12030202033. The reversal of 12030202021 is 12020203021.

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

It is a cyclic number.

It is not a de Polignac number, because 12030202021 - 2¹⁹ = 12029677733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12030201992 and 12030202010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12030202061) 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, 1001670 + ... + 1013608.

It is an arithmetic number, because the mean of its divisors is an integer number (1506947400).

Almost surely, 2^12030202021 is an apocalyptic number.

It is an amenable number.

12030202021 is a deficient number, since it is larger than the sum of its proper divisors (25377179).

12030202021 is a wasteful number, since it uses less digits than its factorization.

12030202021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13979.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 12030202021 its reverse (12020203021), we get a palindrome (24050405042).

The spelling of 12030202021 in words is "twelve billion, thirty million, two hundred two thousand, twenty-one".