10212112220122 has 8 divisors (see below), whose sum is σ = 15318201282516. Its totient is φ = 5106045125952.

The previous prime is 10212112220119. The next prime is 10212112220137. The reversal of 10212112220122 is 22102221121201.

It can be written as a sum of positive squares in 2 ways, for example, as 8749829076121 + 1462283144001 = 2958011^2 + 1209249^2 .

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 10212112220122.

It is an unprimeable number.

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, 4276063 + ... + 6221650.

Almost surely, 2^{10212112220122} is an apocalyptic number.

10212112220122 is a deficient number, since it is larger than the sum of its proper divisors (5106089062394).

10212112220122 is a wasteful number, since it uses less digits than its factorization.

10212112220122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10984112.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 10212112220122 its reverse (22102221121201), we get a palindrome (32314333341323).

The spelling of 10212112220122 in words is "ten trillion, two hundred twelve billion, one hundred twelve million, two hundred twenty thousand, one hundred twenty-two".