13123220210 has 32 divisors (see below), whose sum is σ = 25269194160. Its totient is φ = 4889567232.

The previous prime is 13123220191. The next prime is 13123220251. The reversal of 13123220210 is 1202232131.

13123220210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 7459604161 + 5663616049 = 86369^2 + 75257^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 381425 + ... + 414404.

Almost surely, 2^13123220210 is an apocalyptic number.

13123220210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13123220210 is a deficient number, since it is larger than the sum of its proper divisors (12145973950).

13123220210 is a wasteful number, since it uses less digits than its factorization.

13123220210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795950.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 13123220210 its reverse (1202232131), we get a palindrome (14325452341).

The spelling of 13123220210 in words is "thirteen billion, one hundred twenty-three million, two hundred twenty thousand, two hundred ten".