13221223215210 has 48 divisors (see below), whose sum is σ = 34376820401664. Its totient is φ = 3525491314656.

The previous prime is 13221223215181. The next prime is 13221223215223. The reversal of 13221223215210 is 1251232212231.

13221223215210 is a `hidden beast` number, since 1 + 3 + 2 + 2 + 122 + 321 + 5 + 210 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1601782 + ... + 5385921.

It is an arithmetic number, because the mean of its divisors is an integer number (716183758368).

Almost surely, 2^{13221223215210} is an apocalyptic number.

13221223215210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13221223215210 is an abundant number, since it is smaller than the sum of its proper divisors (21155597186454).

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

13221223215210 is a wasteful number, since it uses less digits than its factorization.

13221223215210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7008739 (or 7008736 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 13221223215210 its reverse (1251232212231), we get a palindrome (14472455427441).

The spelling of 13221223215210 in words is "thirteen trillion, two hundred twenty-one billion, two hundred twenty-three million, two hundred fifteen thousand, two hundred ten".