13221012210 has 64 divisors (see below), whose sum is σ = 36596102400. Its totient is φ = 2994216192.

The previous prime is 13221012199. The next prime is 13221012241. The reversal of 13221012210 is 1221012231.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 13221012210.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 265905 + ... + 311684.

It is an arithmetic number, because the mean of its divisors is an integer number (571814100).

Almost surely, 2^13221012210 is an apocalyptic number.

13221012210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13221012210 is an abundant number, since it is smaller than the sum of its proper divisors (23375090190).

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

13221012210 is a wasteful number, since it uses less digits than its factorization.

13221012210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577715.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 13221012210 its reverse (1221012231), we get a palindrome (14442024441).

The spelling of 13221012210 in words is "thirteen billion, two hundred twenty-one million, twelve thousand, two hundred ten".