12210112210 has 8 divisors (see below), whose sum is σ = 21978201996. Its totient is φ = 4884044880.

The previous prime is 12210112169. The next prime is 12210112223. The reversal of 12210112210 is 1221101221.

It can be written as a sum of positive squares in 2 ways, for example, as 12130599321 + 79512889 = 110139^2 + 8917^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 610505601 + ... + 610505620.

Almost surely, 2^12210112210 is an apocalyptic number.

12210112210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12210112210 is a deficient number, since it is larger than the sum of its proper divisors (9768089786).

12210112210 is a wasteful number, since it uses less digits than its factorization.

12210112210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221011228.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12210112210 its reverse (1221101221), we get a palindrome (13431213431).

It can be divided in two parts, 1221011 and 2210, that added together give a palindrome (1223221).

The spelling of 12210112210 in words is "twelve billion, two hundred ten million, one hundred twelve thousand, two hundred ten".