12100120021222 has 8 divisors (see below), whose sum is σ = 18379929146400. Its totient is φ = 5973476972424.

The previous prime is 12100120021219. The next prime is 12100120021271. The reversal of 12100120021222 is 22212002100121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12100120021196 and 12100120021205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38291518897 + ... + 38291519212.

It is an arithmetic number, because the mean of its divisors is an integer number (2297491143300).

Almost surely, 2^{12100120021222} is an apocalyptic number.

12100120021222 is a deficient number, since it is larger than the sum of its proper divisors (6279809125178).

12100120021222 is an equidigital number, since it uses as much as digits as its factorization.

12100120021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76583038190.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12100120021222 its reverse (22212002100121), we get a palindrome (34312122121343).

The spelling of 12100120021222 in words is "twelve trillion, one hundred billion, one hundred twenty million, twenty-one thousand, two hundred twenty-two".