12100010001222 has 32 divisors (see below), whose sum is σ = 28430792732160. Its totient is φ = 3384618181920.

The previous prime is 12100010001139. The next prime is 12100010001239. The reversal of 12100010001222 is 22210001000121.

It is a junction number, because it is equal to n+sod(n) for n = 12100010001198 and 12100010001207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7051287022 + ... + 7051288737.

It is an arithmetic number, because the mean of its divisors is an integer number (888462272880).

Almost surely, 2^{12100010001222} is an apocalyptic number.

12100010001222 is an abundant number, since it is smaller than the sum of its proper divisors (16330782730938).

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

12100010001222 is a wasteful number, since it uses less digits than its factorization.

12100010001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14102575788.

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

Adding to 12100010001222 its reverse (22210001000121), we get a palindrome (34310011001343).

The spelling of 12100010001222 in words is "twelve trillion, one hundred billion, ten million, one thousand, two hundred twenty-two".