210122210022012 has 18 divisors (see below), whose sum is σ = 531142253111288. Its totient is φ = 70040736673992.

The previous prime is 210122210021989. The next prime is 210122210022041. The reversal of 210122210022012 is 210220012221012.

It is a happy number.

210122210022012 is a `hidden beast` number, since 210 + 1 + 2 + 221 + 0 + 0 + 220 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-3 number, since 3×210122210022012³ (a number of 44 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2918364028048 + ... + 2918364028119.

Almost surely, 2^{210122210022012} is an apocalyptic number.

It is an amenable number.

210122210022012 is an abundant number, since it is smaller than the sum of its proper divisors (321020043089276).

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

210122210022012 is a wasteful number, since it uses less digits than its factorization.

210122210022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5836728056177 (or 5836728056172 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 210122210022012 its reverse (210220012221012), we get a palindrome (420342222243024).

The spelling of 210122210022012 in words is "two hundred ten trillion, one hundred twenty-two billion, two hundred ten million, twenty-two thousand, twelve".