12230311340 has 48 divisors (see below), whose sum is σ = 27769664160. Its totient is φ = 4497792000.

The previous prime is 12230311297. The next prime is 12230311351. The reversal of 12230311340 is 4311303221.

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 15 ways as a sum of consecutive naturals, for example, 28445 + ... + 158964.

It is an arithmetic number, because the mean of its divisors is an integer number (578534670).

Almost surely, 2^12230311340 is an apocalyptic number.

12230311340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12230311340 is an abundant number, since it is smaller than the sum of its proper divisors (15539352820).

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

12230311340 is a wasteful number, since it uses less digits than its factorization.

12230311340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187682 (or 187680 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12230311340 its reverse (4311303221), we get a palindrome (16541614561).

The spelling of 12230311340 in words is "twelve billion, two hundred thirty million, three hundred eleven thousand, three hundred forty".