10000212222122 has 16 divisors (see below), whose sum is σ = 15423557383080. Its totient is φ = 4860757467072.

The previous prime is 10000212222097. The next prime is 10000212222173. The reversal of 10000212222122 is 22122221200001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9191635396441 + 808576825681 = 3031771^2 + 899209^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 10000212222122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 432748193 + ... + 432771300.

Almost surely, 2^{10000212222122} is an apocalyptic number.

10000212222122 is a deficient number, since it is larger than the sum of its proper divisors (5423345160958).

10000212222122 is a wasteful number, since it uses less digits than its factorization.

10000212222122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865519657.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 10000212222122 its reverse (22122221200001), we get a palindrome (32122433422123).

The spelling of 10000212222122 in words is "ten trillion, two hundred twelve million, two hundred twenty-two thousand, one hundred twenty-two".