12021003230 has 16 divisors (see below), whose sum is σ = 21640536720. Its totient is φ = 4807794432.

The previous prime is 12021003209. The next prime is 12021003257. The reversal of 12021003230 is 3230012021.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 12206 + ... + 155534.

It is an arithmetic number, because the mean of its divisors is an integer number (1352533545).

Almost surely, 2^12021003230 is an apocalyptic number.

12021003230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12021003230 is a deficient number, since it is larger than the sum of its proper divisors (9619533490).

12021003230 is a wasteful number, since it uses less digits than its factorization.

12021003230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151723.

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

Adding to 12021003230 its reverse (3230012021), we get a palindrome (15251015251).

The spelling of 12021003230 in words is "twelve billion, twenty-one million, three thousand, two hundred thirty".