12321040410 has 224 divisors, whose sum is σ = 38472900480. Its totient is φ = 2781350784.

The previous prime is 12321040379. The next prime is 12321040469. The reversal of 12321040410 is 1404012321.

12321040410 is a `hidden beast` number, since 1 + 2 + 3 + 210 + 40 + 410 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 4234036 + ... + 4236944.

It is an arithmetic number, because the mean of its divisors is an integer number (171754020).

Almost surely, 2^12321040410 is an apocalyptic number.

12321040410 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 12321040410, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19236450240).

12321040410 is an abundant number, since it is smaller than the sum of its proper divisors (26151860070).

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

12321040410 is an equidigital number, since it uses as much as digits as its factorization.

12321040410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3024 (or 3009 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12321040410 its reverse (1404012321), we get a palindrome (13725052731).

The spelling of 12321040410 in words is "twelve billion, three hundred twenty-one million, forty thousand, four hundred ten".