12242121330 has 32 divisors (see below), whose sum is σ = 29388744000. Its totient is φ = 3263715392.

The previous prime is 12242121329. The next prime is 12242121347. The reversal of 12242121330 is 3312124221.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12242121297 and 12242121306.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68521 + ... + 170819.

It is an arithmetic number, because the mean of its divisors is an integer number (918398250).

Almost surely, 2^12242121330 is an apocalyptic number.

12242121330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12242121330 is an abundant number, since it is smaller than the sum of its proper divisors (17146622670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12242121330 is a wasteful number, since it uses less digits than its factorization.

12242121330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106298.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12242121330 its reverse (3312124221), we get a palindrome (15554245551).

The spelling of 12242121330 in words is "twelve billion, two hundred forty-two million, one hundred twenty-one thousand, three hundred thirty".