13211223210 has 48 divisors (see below), whose sum is σ = 34358842440. Its totient is φ = 3522001920.

The previous prime is 13211223131. The next prime is 13211223227. The reversal of 13211223210 is 1232211231.

13211223210 is a `hidden beast` number, since 1 + 321 + 1 + 22 + 321 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 9428604201 + 3782619009 = 97101^2 + 61503^2 .

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 23 ways as a sum of consecutive naturals, for example, 334930 + ... + 372290.

Almost surely, 2^13211223210 is an apocalyptic number.

13211223210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13211223210 is an abundant number, since it is smaller than the sum of its proper divisors (21147619230).

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

13211223210 is a wasteful number, since it uses less digits than its factorization.

13211223210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41303 (or 41300 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 13211223210 its reverse (1232211231), we get a palindrome (14443434441).

The spelling of 13211223210 in words is "thirteen billion, two hundred eleven million, two hundred twenty-three thousand, two hundred ten".