12210021330210 has 128 divisors (see below), whose sum is σ = 37389539174400. Its totient is φ = 2804215412160.

The previous prime is 12210021330193. The next prime is 12210021330217. The reversal of 12210021330210 is 1203312001221.

12210021330210 is a `hidden beast` number, since 1 + 2 + 2 + 100 + 21 + 330 + 210 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (12210021330217) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 108130894 + ... + 108243753.

It is an arithmetic number, because the mean of its divisors is an integer number (292105774800).

Almost surely, 2^{12210021330210} is an apocalyptic number.

12210021330210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12210021330210 is an abundant number, since it is smaller than the sum of its proper divisors (25179517844190).

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

12210021330210 is a wasteful number, since it uses less digits than its factorization.

12210021330210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216374693 (or 216374687 counting only the distinct ones).

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

Adding to 12210021330210 its reverse (1203312001221), we get a palindrome (13413333331431).

The spelling of 12210021330210 in words is "twelve trillion, two hundred ten billion, twenty-one million, three hundred thirty thousand, two hundred ten".