10323321012 has 144 divisors (see below), whose sum is σ = 28115697792. Its totient is φ = 3185360640.

The previous prime is 10323321007. The next prime is 10323321089. The reversal of 10323321012 is 21012332301.

10323321012 is a `hidden beast` number, since 10 + 323 + 321 + 0 + 12 = 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 47 ways as a sum of consecutive naturals, for example, 6463398 + ... + 6464994.

Almost surely, 2^10323321012 is an apocalyptic number.

10323321012 is a gapful number since it is divisible by the number (12) 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 10323321012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14057848896).

10323321012 is an abundant number, since it is smaller than the sum of its proper divisors (17792376780).

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

10323321012 is a wasteful number, since it uses less digits than its factorization.

10323321012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1878 (or 1873 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 10323321012 its reverse (21012332301), we get a palindrome (31335653313).

The spelling of 10323321012 in words is "ten billion, three hundred twenty-three million, three hundred twenty-one thousand, twelve".