12100021210122 has 16 divisors (see below), whose sum is σ = 24210130003200. Its totient is φ = 4031659139552.

The previous prime is 12100021210103. The next prime is 12100021210201. The reversal of 12100021210122 is 22101212000121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 420300363 + ... + 420329150.

It is an arithmetic number, because the mean of its divisors is an integer number (1513133125200).

Almost surely, 2^{12100021210122} is an apocalyptic number.

12100021210122 is an abundant number, since it is smaller than the sum of its proper divisors (12110108793078).

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

12100021210122 is a wasteful number, since it uses less digits than its factorization.

12100021210122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840631917.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12100021210122 its reverse (22101212000121), we get a palindrome (34201233210243).

The spelling of 12100021210122 in words is "twelve trillion, one hundred billion, twenty-one million, two hundred ten thousand, one hundred twenty-two".