12221000030 has 16 divisors (see below), whose sum is σ = 22043733120. Its totient is φ = 4878192672.

The previous prime is 12221000003. The next prime is 12221000039. The reversal of 12221000030 is 3000012221.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12220999975 and 12221000020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221000039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1270889 + ... + 1280468.

It is an arithmetic number, because the mean of its divisors is an integer number (1377733320).

Almost surely, 2^12221000030 is an apocalyptic number.

12221000030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12221000030 is a deficient number, since it is larger than the sum of its proper divisors (9822733090).

12221000030 is a wasteful number, since it uses less digits than its factorization.

12221000030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2551843.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 12221000030 its reverse (3000012221), we get a palindrome (15221012251).

The spelling of 12221000030 in words is "twelve billion, two hundred twenty-one million, thirty", and thus it is an aban number.