12210222121010 has 32 divisors (see below), whose sum is σ = 22210761831552. Its totient is φ = 4832563777920.

The previous prime is 12210222120989. The next prime is 12210222121033. The reversal of 12210222121010 is 1012122201221.

12210222121010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12210222121010.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6052211 + ... + 7813430.

It is an arithmetic number, because the mean of its divisors is an integer number (694086307236).

Almost surely, 2^{12210222121010} is an apocalyptic number.

12210222121010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12210222121010 is a deficient number, since it is larger than the sum of its proper divisors (10000539710542).

12210222121010 is a wasteful number, since it uses less digits than its factorization.

12210222121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13866578.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12210222121010 its reverse (1012122201221), we get a palindrome (13222344322231).

The spelling of 12210222121010 in words is "twelve trillion, two hundred ten billion, two hundred twenty-two million, one hundred twenty-one thousand, ten".