10001210012122 has 24 divisors (see below), whose sum is σ = 17527968031104. Its totient is φ = 4267350769752.

The previous prime is 10001210012111. The next prime is 10001210012161. The reversal of 10001210012122 is 22121001210001.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 224764458 + ... + 224808949.

It is an arithmetic number, because the mean of its divisors is an integer number (730332001296).

Almost surely, 2^{10001210012122} is an apocalyptic number.

10001210012122 is a deficient number, since it is larger than the sum of its proper divisors (7526758018982).

10001210012122 is a wasteful number, since it uses less digits than its factorization.

10001210012122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449573650 (or 449573643 counting only the distinct ones).

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

Adding to 10001210012122 its reverse (22121001210001), we get a palindrome (32122211222123).

The spelling of 10001210012122 in words is "ten trillion, one billion, two hundred ten million, twelve thousand, one hundred twenty-two".