121220002112212 has 48 divisors (see below), whose sum is σ = 223430068794240. Its totient is φ = 57432686947328.

The previous prime is 121220002112203. The next prime is 121220002112239. The reversal of 121220002112212 is 212211200022121.

It is a self number, because there is not a number n which added to its sum of digits gives 121220002112212.

It is a congruent number.

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, 17627688 + ... + 23519680.

It is an arithmetic number, because the mean of its divisors is an integer number (4654793099880).

Almost surely, 2^{121220002112212} is an apocalyptic number.

It is an amenable number.

121220002112212 is a deficient number, since it is larger than the sum of its proper divisors (102210066682028).

121220002112212 is a wasteful number, since it uses less digits than its factorization.

121220002112212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5894112 (or 5894110 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 121220002112212 its reverse (212211200022121), we get a palindrome (333431202134333).

The spelling of 121220002112212 in words is "one hundred twenty-one trillion, two hundred twenty billion, two million, one hundred twelve thousand, two hundred twelve".