12321323410 has 128 divisors (see below), whose sum is σ = 26238401280. Its totient is φ = 4115865600.

The previous prime is 12321323389. The next prime is 12321323429. The reversal of 12321323410 is 1432312321.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19969422 + ... + 19970038.

It is an arithmetic number, because the mean of its divisors is an integer number (204987510).

Almost surely, 2^12321323410 is an apocalyptic number.

12321323410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12321323410 is an abundant number, since it is smaller than the sum of its proper divisors (13917077870).

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

12321323410 is a wasteful number, since it uses less digits than its factorization.

12321323410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 12321323410 its reverse (1432312321), we get a palindrome (13753635731).

The spelling of 12321323410 in words is "twelve billion, three hundred twenty-one million, three hundred twenty-three thousand, four hundred ten".