12233420420 has 48 divisors (see below), whose sum is σ = 27743627520. Its totient is φ = 4504338816.

The previous prime is 12233420393. The next prime is 12233420443. The reversal of 12233420420 is 2402433221.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27809 + ... + 158871.

It is an arithmetic number, because the mean of its divisors is an integer number (577992240).

Almost surely, 2^12233420420 is an apocalyptic number.

12233420420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12233420420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13871813760).

12233420420 is an abundant number, since it is smaller than the sum of its proper divisors (15510207100).

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

12233420420 is a wasteful number, since it uses less digits than its factorization.

12233420420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131444 (or 131442 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 12233420420 its reverse (2402433221), we get a palindrome (14635853641).

The spelling of 12233420420 in words is "twelve billion, two hundred thirty-three million, four hundred twenty thousand, four hundred twenty".