210122220122012 has 24 divisors (see below), whose sum is σ = 422255179194240. Its totient is φ = 90483252683760.

The previous prime is 210122220121973. The next prime is 210122220122041. The reversal of 210122220122012 is 210221022221012.

It is a congruent number.

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, 125671183448 + ... + 125671185119.

It is an arithmetic number, because the mean of its divisors is an integer number (17593965799760).

Almost surely, 2^{210122220122012} is an apocalyptic number.

210122220122012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

210122220122012 is an abundant number, since it is smaller than the sum of its proper divisors (212132959072228).

210122220122012 is a wasteful number, since it uses less digits than its factorization.

210122220122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251342368601 (or 251342368599 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 210122220122012 its reverse (210221022221012), we get a palindrome (420343242343024).

The spelling of 210122220122012 in words is "two hundred ten trillion, one hundred twenty-two billion, two hundred twenty million, one hundred twenty-two thousand, twelve".