12222100121122 has 16 divisors (see below), whose sum is σ = 18393393886560. Its totient is φ = 6090969966048.

The previous prime is 12222100121111. The next prime is 12222100121149. The reversal of 12222100121122 is 22112100122221.

It is a self number, because there is not a number n which added to its sum of digits gives 12222100121122.

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, 22684438 + ... + 23216974.

It is an arithmetic number, because the mean of its divisors is an integer number (1149587117910).

Almost surely, 2^{12222100121122} is an apocalyptic number.

12222100121122 is a deficient number, since it is larger than the sum of its proper divisors (6171293765438).

12222100121122 is a wasteful number, since it uses less digits than its factorization.

12222100121122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570225.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12222100121122 its reverse (22112100122221), we get a palindrome (34334200243343).

The spelling of 12222100121122 in words is "twelve trillion, two hundred twenty-two billion, one hundred million, one hundred twenty-one thousand, one hundred twenty-two".