12302022122221 has 12 divisors (see below), whose sum is σ = 13426015314432. Its totient is φ = 11266297647696.

The previous prime is 12302022122161. The next prime is 12302022122267. The reversal of 12302022122221 is 12222122020321.

It is a happy number.

It is not a de Polignac number, because 12302022122221 - 2¹⁹ = 12302021597933 is a prime.

It is a super-2 number, since 2×12302022122221² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12302022122192 and 12302022122201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12302022122921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 286565271 + ... + 286608196.

It is an arithmetic number, because the mean of its divisors is an integer number (1118834609536).

Almost surely, 2^{12302022122221} is an apocalyptic number.

It is an amenable number.

12302022122221 is a deficient number, since it is larger than the sum of its proper divisors (1123993192211).

12302022122221 is a wasteful number, since it uses less digits than its factorization.

12302022122221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573173620 (or 573173607 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 12302022122221 its reverse (12222122020321), we get a palindrome (24524144142542).

The spelling of 12302022122221 in words is "twelve trillion, three hundred two billion, twenty-two million, one hundred twenty-two thousand, two hundred twenty-one".