121220200122212 has 24 divisors (see below), whose sum is σ = 223439844428640. Its totient is φ = 57384229593600.

The previous prime is 121220200122149. The next prime is 121220200122239. The reversal of 121220200122212 is 212221002022121.

121220200122212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 498005318 + ... + 498248669.

It is an arithmetic number, because the mean of its divisors is an integer number (9309993517860).

Almost surely, 2^{121220200122212} is an apocalyptic number.

It is an amenable number.

121220200122212 is a deficient number, since it is larger than the sum of its proper divisors (102219644306428).

121220200122212 is a wasteful number, since it uses less digits than its factorization.

121220200122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996255611 (or 996255609 counting only the distinct ones).

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

Adding to 121220200122212 its reverse (212221002022121), we get a palindrome (333441202144333).

The spelling of 121220200122212 in words is "one hundred twenty-one trillion, two hundred twenty billion, two hundred million, one hundred twenty-two thousand, two hundred twelve".