210120012122 has 16 divisors (see below), whose sum is σ = 316572624000. Its totient is φ = 104596689120.

The previous prime is 210120012119. The next prime is 210120012191. The reversal of 210120012122 is 221210021012.

It is a junction number, because it is equal to n+sod(n) for n = 210120012097 and 210120012106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255254 + ... + 696702.

It is an arithmetic number, because the mean of its divisors is an integer number (19785789000).

Almost surely, 2^210120012122 is an apocalyptic number.

210120012122 is a deficient number, since it is larger than the sum of its proper divisors (106452611878).

210120012122 is a wasteful number, since it uses less digits than its factorization.

210120012122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442501.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 210120012122 its reverse (221210021012), we get a palindrome (431330033134).

The spelling of 210120012122 in words is "two hundred ten billion, one hundred twenty million, twelve thousand, one hundred twenty-two".