12003223340 has 24 divisors (see below), whose sum is σ = 25314962400. Its totient is φ = 4780681088.

The previous prime is 12003223313. The next prime is 12003223361. The reversal of 12003223340 is 4332230021.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1283240 + ... + 1292559.

It is an arithmetic number, because the mean of its divisors is an integer number (1054790100).

Almost surely, 2^12003223340 is an apocalyptic number.

12003223340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12003223340 is an abundant number, since it is smaller than the sum of its proper divisors (13311739060).

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

12003223340 is a wasteful number, since it uses less digits than its factorization.

12003223340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2576041 (or 2576039 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 12003223340 its reverse (4332230021), we get a palindrome (16335453361).

The spelling of 12003223340 in words is "twelve billion, three million, two hundred twenty-three thousand, three hundred forty".