12212021010010 has 16 divisors (see below), whose sum is σ = 21983815908936. Its totient is φ = 4884324383808.

The previous prime is 12212021009977. The next prime is 12212021010017. The reversal of 12212021010010 is 1001012021221.

It can be written as a sum of positive squares in 4 ways, for example, as 11477981598889 + 734039411121 = 3387917^2 + 856761^2 .

It is not an unprimeable number, because it can be changed into a prime (12212021010017) 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 7 ways as a sum of consecutive naturals, for example, 60396549 + ... + 60598408.

Almost surely, 2^{12212021010010} is an apocalyptic number.

12212021010010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12212021010010 is a deficient number, since it is larger than the sum of its proper divisors (9771794898926).

12212021010010 is a wasteful number, since it uses less digits than its factorization.

12212021010010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121005057.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12212021010010 its reverse (1001012021221), we get a palindrome (13213033031231).

The spelling of 12212021010010 in words is "twelve trillion, two hundred twelve billion, twenty-one million, ten thousand, ten".