13321023210 has 128 divisors (see below), whose sum is σ = 39283557120. Its totient is φ = 3185049600.

The previous prime is 13321023187. The next prime is 13321023257. The reversal of 13321023210 is 1232012331.

13321023210 is a `hidden beast` number, since 1 + 332 + 10 + 2 + 321 + 0 = 666.

It is a super-2 number, since 2×13321023210² (a number of 21 digits) contains 22 as substring.

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 63 ways as a sum of consecutive naturals, for example, 186090 + ... + 247530.

It is an arithmetic number, because the mean of its divisors is an integer number (306902790).

Almost surely, 2^13321023210 is an apocalyptic number.

13321023210 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 13321023210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19641778560).

13321023210 is an abundant number, since it is smaller than the sum of its proper divisors (25962533910).

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

13321023210 is a wasteful number, since it uses less digits than its factorization.

13321023210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61541 (or 61535 counting only the distinct ones).

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

Adding to 13321023210 its reverse (1232012331), we get a palindrome (14553035541).

The spelling of 13321023210 in words is "thirteen billion, three hundred twenty-one million, twenty-three thousand, two hundred ten".