12212120122010 has 8 divisors (see below), whose sum is σ = 21981816219636. Its totient is φ = 4884848048800.

The previous prime is 12212120121991. The next prime is 12212120122019. The reversal of 12212120122010 is 1022102121221.

It can be written as a sum of positive squares in 2 ways, for example, as 11617251911281 + 594868210729 = 3408409^2 + 771277^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 12212120122010.

It is not an unprimeable number, because it can be changed into a prime (12212120122019) 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 3 ways as a sum of consecutive naturals, for example, 610606006091 + ... + 610606006110.

Almost surely, 2^{12212120122010} is an apocalyptic number.

12212120122010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12212120122010 is a deficient number, since it is larger than the sum of its proper divisors (9769696097626).

12212120122010 is a wasteful number, since it uses less digits than its factorization.

12212120122010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221212012208.

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

Adding to 12212120122010 its reverse (1022102121221), we get a palindrome (13234222243231).

The spelling of 12212120122010 in words is "twelve trillion, two hundred twelve billion, one hundred twenty million, one hundred twenty-two thousand, ten".