12040321230 has 192 divisors, whose sum is σ = 37976739840. Its totient is φ = 2583677952.

The previous prime is 12040321177. The next prime is 12040321333. The reversal of 12040321230 is 3212304021.

12040321230 is a `hidden beast` number, since 1 + 20 + 403 + 212 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5128917 + ... + 5131263.

It is an arithmetic number, because the mean of its divisors is an integer number (197795520).

Almost surely, 2^12040321230 is an apocalyptic number.

12040321230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12040321230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18988369920).

12040321230 is an abundant number, since it is smaller than the sum of its proper divisors (25936418610).

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

12040321230 is a wasteful number, since it uses less digits than its factorization.

12040321230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2863 (or 2860 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 12040321230 its reverse (3212304021), we get a palindrome (15252625251).

The spelling of 12040321230 in words is "twelve billion, forty million, three hundred twenty-one thousand, two hundred thirty".