12210221102010 has 64 divisors (see below), whose sum is σ = 30288243157632. Its totient is φ = 3147878612736.

The previous prime is 12210221102003. The next prime is 12210221102011. The reversal of 12210221102010 is 1020112201221.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12210221102011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34858212 + ... + 35206751.

It is an arithmetic number, because the mean of its divisors is an integer number (473253799338).

Almost surely, 2^{12210221102010} is an apocalyptic number.

12210221102010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12210221102010 is an abundant number, since it is smaller than the sum of its proper divisors (18078022055622).

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

12210221102010 is a wasteful number, since it uses less digits than its factorization.

12210221102010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70065167.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12210221102010 its reverse (1020112201221), we get a palindrome (13230333303231).

The spelling of 12210221102010 in words is "twelve trillion, two hundred ten billion, two hundred twenty-one million, one hundred two thousand, ten".