12122101102212 has 18 divisors (see below), whose sum is σ = 30641977786238. Its totient is φ = 4040700367392.

The previous prime is 12122101102187. The next prime is 12122101102273. The reversal of 12122101102212 is 21220110122121.

12122101102212 is a `hidden beast` number, since 121 + 2 + 210 + 110 + 221 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7603993761156 + 4518107341056 = 2757534^2 + 2125584^2 .

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

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

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, 168362515273 + ... + 168362515344.

Almost surely, 2^{12122101102212} is an apocalyptic number.

12122101102212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12122101102212 is an abundant number, since it is smaller than the sum of its proper divisors (18519876684026).

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

12122101102212 is a wasteful number, since it uses less digits than its factorization.

12122101102212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336725030627 (or 336725030622 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 12122101102212 its reverse (21220110122121), we get a palindrome (33342211224333).

The spelling of 12122101102212 in words is "twelve trillion, one hundred twenty-two billion, one hundred one million, one hundred two thousand, two hundred twelve".