12121000100222 has 8 divisors (see below), whose sum is σ = 19580077085016. Its totient is φ = 5594307738552.

The previous prime is 12121000100221. The next prime is 12121000100299. The reversal of 12121000100222 is 22200100012121.

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 = 12121000100197 and 12121000100206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12121000100221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233096155748 + ... + 233096155799.

It is an arithmetic number, because the mean of its divisors is an integer number (2447509635627).

Almost surely, 2^{12121000100222} is an apocalyptic number.

12121000100222 is a deficient number, since it is larger than the sum of its proper divisors (7459076984794).

12121000100222 is a wasteful number, since it uses less digits than its factorization.

12121000100222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466192311562.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12121000100222 its reverse (22200100012121), we get a palindrome (34321100112343).

The spelling of 12121000100222 in words is "twelve trillion, one hundred twenty-one billion, one hundred thousand, two hundred twenty-two".