121200122212 has 48 divisors (see below), whose sum is σ = 230963138560. Its totient is φ = 55315602432.

The previous prime is 121200122207. The next prime is 121200122221. The reversal of 121200122212 is 212221002121.

It is a happy number.

121200122212 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 15 ways as a sum of consecutive naturals, for example, 6441883 + ... + 6460669.

Almost surely, 2^121200122212 is an apocalyptic number.

It is an amenable number.

121200122212 is a deficient number, since it is larger than the sum of its proper divisors (109763016348).

121200122212 is a wasteful number, since it uses less digits than its factorization.

121200122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20180 (or 20178 counting only the distinct ones).

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

Adding to 121200122212 its reverse (212221002121), we get a palindrome (333421124333).

The spelling of 121200122212 in words is "one hundred twenty-one billion, two hundred million, one hundred twenty-two thousand, two hundred twelve".