210012200012122 has 16 divisors (see below), whose sum is σ = 326909015820360. Its totient is φ = 101065372867648.

The previous prime is 210012200012051. The next prime is 210012200012149. The reversal of 210012200012122 is 221210002210012.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 165985113357441 + 44027086654681 = 12883521^2 + 6635291^2 .

It is a junction number, because it is equal to n+sod(n) for n = 210012200012096 and 210012200012105.

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, 5711180353 + ... + 5711217124.

Almost surely, 2^{210012200012122} is an apocalyptic number.

210012200012122 is a deficient number, since it is larger than the sum of its proper divisors (116896815808238).

210012200012122 is a wasteful number, since it uses less digits than its factorization.

210012200012122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11422397825.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 210012200012122 its reverse (221210002210012), we get a palindrome (431222202222134).

The spelling of 210012200012122 in words is "two hundred ten trillion, twelve billion, two hundred million, twelve thousand, one hundred twenty-two".