12221220000210 has 128 divisors (see below), whose sum is σ = 33447292623360. Its totient is φ = 2831166099456.

The previous prime is 12221220000203. The next prime is 12221220000217. The reversal of 12221220000210 is 1200002212221.

It is an interprime number because it is at equal distance from previous prime (12221220000203) and next prime (12221220000217).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12221220000210.

It is not an unprimeable number, because it can be changed into a prime (12221220000217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 128992336 + ... + 129087044.

It is an arithmetic number, because the mean of its divisors is an integer number (261306973620).

Almost surely, 2^{12221220000210} is an apocalyptic number.

12221220000210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12221220000210 is an abundant number, since it is smaller than the sum of its proper divisors (21226072623150).

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

12221220000210 is a wasteful number, since it uses less digits than its factorization.

12221220000210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114212.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12221220000210 its reverse (1200002212221), we get a palindrome (13421222212431).

The spelling of 12221220000210 in words is "twelve trillion, two hundred twenty-one billion, two hundred twenty million, two hundred ten", and thus it is an aban number.