123221210210 has 32 divisors (see below), whose sum is σ = 254163267072. Its totient is φ = 42133999680.

The previous prime is 123221210209. The next prime is 123221210267. The reversal of 123221210210 is 12012122321.

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, 2333546 + ... + 2385765.

It is an arithmetic number, because the mean of its divisors is an integer number (7942602096).

Almost surely, 2^123221210210 is an apocalyptic number.

123221210210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123221210210 is an abundant number, since it is smaller than the sum of its proper divisors (130942056862).

123221210210 is a wasteful number, since it uses less digits than its factorization.

123221210210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4719698.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 123221210210 its reverse (12012122321), we get a palindrome (135233332531).

The spelling of 123221210210 in words is "one hundred twenty-three billion, two hundred twenty-one million, two hundred ten thousand, two hundred ten".