12021230030 has 16 divisors (see below), whose sum is σ = 21639819600. Its totient is φ = 4808135232.

The previous prime is 12021229967. The next prime is 12021230041. The reversal of 12021230030 is 3003212021.

It is a happy number.

12021230030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12021229987 and 12021230014.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 129146 + ... + 201794.

It is an arithmetic number, because the mean of its divisors is an integer number (1352488725).

Almost surely, 2^12021230030 is an apocalyptic number.

12021230030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12021230030 is a deficient number, since it is larger than the sum of its proper divisors (9618589570).

12021230030 is a wasteful number, since it uses less digits than its factorization.

12021230030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89203.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 12021230030 its reverse (3003212021), we get a palindrome (15024442051).

The spelling of 12021230030 in words is "twelve billion, twenty-one million, two hundred thirty thousand, thirty".