12230021020 has 48 divisors (see below), whose sum is σ = 29397634560. Its totient is φ = 4186638144.

The previous prime is 12230020997. The next prime is 12230021021. The reversal of 12230021020 is 2012003221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12230021021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23071 + ... + 158089.

It is an arithmetic number, because the mean of its divisors is an integer number (612450720).

Almost surely, 2^12230021020 is an apocalyptic number.

12230021020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12230021020 is an abundant number, since it is smaller than the sum of its proper divisors (17167613540).

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

12230021020 is a wasteful number, since it uses less digits than its factorization.

12230021020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135682 (or 135680 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 12230021020 its reverse (2012003221), we get a palindrome (14242024241).

The spelling of 12230021020 in words is "twelve billion, two hundred thirty million, twenty-one thousand, twenty".