121212122000222 has 24 divisors (see below), whose sum is σ = 199945774604016. Its totient is φ = 55069942928000.

The previous prime is 121212122000209. The next prime is 121212122000257. The reversal of 121212122000222 is 222000221212121.

It is a junction number, because it is equal to n+sod(n) for n = 121212122000194 and 121212122000203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119841554 + ... + 120848757.

It is an arithmetic number, because the mean of its divisors is an integer number (8331073941834).

Almost surely, 2^{121212122000222} is an apocalyptic number.

121212122000222 is a deficient number, since it is larger than the sum of its proper divisors (78733652603794).

121212122000222 is a wasteful number, since it uses less digits than its factorization.

121212122000222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240692416 (or 240692405 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 121212122000222 its reverse (222000221212121), we get a palindrome (343212343212343).

The spelling of 121212122000222 in words is "one hundred twenty-one trillion, two hundred twelve billion, one hundred twenty-two million, two hundred twenty-two", and thus it is an aban number.