13211817210 has 96 divisors (see below), whose sum is σ = 35339960448. Its totient is φ = 3422989440.

The previous prime is 13211817169. The next prime is 13211817211. The reversal of 13211817210 is 1271811231.

It is a super-2 number, since 2×13211817210² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13211817211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 477865 + ... + 504755.

It is an arithmetic number, because the mean of its divisors is an integer number (368124588).

Almost surely, 2^13211817210 is an apocalyptic number.

13211817210 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 13211817210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17669980224).

13211817210 is an abundant number, since it is smaller than the sum of its proper divisors (22128143238).

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

13211817210 is a wasteful number, since it uses less digits than its factorization.

13211817210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27060 (or 27057 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 27.

The spelling of 13211817210 in words is "thirteen billion, two hundred eleven million, eight hundred seventeen thousand, two hundred ten".