12210302021 has 8 divisors (see below), whose sum is σ = 12447004320. Its totient is φ = 11973833872.

The previous prime is 12210301997. The next prime is 12210302033. The reversal of 12210302021 is 12020301221.

It is a happy number.

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 12210302021 - 2¹⁰ = 12210300997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12210301987 and 12210302005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210302821) 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, 48650 + ... + 163668.

It is an arithmetic number, because the mean of its divisors is an integer number (1555875540).

Almost surely, 2^12210302021 is an apocalyptic number.

It is an amenable number.

12210302021 is a deficient number, since it is larger than the sum of its proper divisors (236702299).

12210302021 is a wasteful number, since it uses less digits than its factorization.

12210302021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117075.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12210302021 its reverse (12020301221), we get a palindrome (24230603242).

The spelling of 12210302021 in words is "twelve billion, two hundred ten million, three hundred two thousand, twenty-one".