12212021330 has 8 divisors (see below), whose sum is σ = 21981638412. Its totient is φ = 4884808528.

The previous prime is 12212021329. The next prime is 12212021359. The reversal of 12212021330 is 3312021221.

12212021330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12019394689 + 192626641 = 109633^2 + 13879^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 12212021299 and 12212021308.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 610601057 + ... + 610601076.

Almost surely, 2^12212021330 is an apocalyptic number.

12212021330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12212021330 is a deficient number, since it is larger than the sum of its proper divisors (9769617082).

12212021330 is a wasteful number, since it uses less digits than its factorization.

12212021330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221202140.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12212021330 its reverse (3312021221), we get a palindrome (15524042551).

The spelling of 12212021330 in words is "twelve billion, two hundred twelve million, twenty-one thousand, three hundred thirty".