210000122010012 has 24 divisors (see below), whose sum is σ = 494851772660112. Its totient is φ = 69306970960000.

The previous prime is 210000122009989. The next prime is 210000122010043. The reversal of 210000122010012 is 210010221000012.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 210000122010012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86633712489 + ... + 86633714912.

It is an arithmetic number, because the mean of its divisors is an integer number (20618823860838).

Almost surely, 2^{210000122010012} is an apocalyptic number.

It is an amenable number.

210000122010012 is an abundant number, since it is smaller than the sum of its proper divisors (284851650650100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210000122010012 is a wasteful number, since it uses less digits than its factorization.

210000122010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173267427509 (or 173267427507 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 210000122010012 its reverse (210010221000012), we get a palindrome (420010343010024).

The spelling of 210000122010012 in words is "two hundred ten trillion, one hundred twenty-two million, ten thousand, twelve".