210122113312 has 24 divisors (see below), whose sum is σ = 413697998700. Its totient is φ = 105055954944.

The previous prime is 210122113307. The next prime is 210122113339. The reversal of 210122113312 is 213311221012.

It can be written as a sum of positive squares in 2 ways, for example, as 200843800336 + 9278312976 = 448156^2 + 96324^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 210122113312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 559764 + ... + 856492.

Almost surely, 2^210122113312 is an apocalyptic number.

It is an amenable number.

210122113312 is a deficient number, since it is larger than the sum of its proper divisors (203575885388).

210122113312 is a wasteful number, since it uses less digits than its factorization.

210122113312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318868 (or 318860 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 210122113312 its reverse (213311221012), we get a palindrome (423433334324).

The spelling of 210122113312 in words is "two hundred ten billion, one hundred twenty-two million, one hundred thirteen thousand, three hundred twelve".