12230311000 has 64 divisors (see below), whose sum is σ = 28683720000. Its totient is φ = 4881049600.

The previous prime is 12230310997. The next prime is 12230311061. The reversal of 12230311000 is 11303221.

It is a congruent number.

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, 435381 + ... + 462619.

It is an arithmetic number, because the mean of its divisors is an integer number (448183125).

Almost surely, 2^12230311000 is an apocalyptic number.

12230311000 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 12230311000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14341860000).

12230311000 is an abundant number, since it is smaller than the sum of its proper divisors (16453409000).

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

12230311000 is a wasteful number, since it uses less digits than its factorization.

12230311000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27709 (or 27695 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 12230311000 its reverse (11303221), we get a palindrome (12241614221).

The spelling of 12230311000 in words is "twelve billion, two hundred thirty million, three hundred eleven thousand".