12001223020 has 12 divisors (see below), whose sum is σ = 25202568384. Its totient is φ = 4800489200.

The previous prime is 12001223011. The next prime is 12001223051. The reversal of 12001223020 is 2032210021.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300030556 + ... + 300030595.

It is an arithmetic number, because the mean of its divisors is an integer number (2100214032).

Almost surely, 2^12001223020 is an apocalyptic number.

12001223020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12001223020 is an abundant number, since it is smaller than the sum of its proper divisors (13201345364).

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

12001223020 is a wasteful number, since it uses less digits than its factorization.

12001223020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600061160 (or 600061158 counting only the distinct ones).

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

Adding to 12001223020 its reverse (2032210021), we get a palindrome (14033433041).

The spelling of 12001223020 in words is "twelve billion, one million, two hundred twenty-three thousand, twenty".