122220200001212 has 24 divisors (see below), whose sum is σ = 213950697475200. Its totient is φ = 61091430384816.

The previous prime is 122220200001191. The next prime is 122220200001217. The reversal of 122220200001212 is 212100002022221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122220200001217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 523896089 + ... + 524129327.

It is an arithmetic number, because the mean of its divisors is an integer number (8914612394800).

Almost surely, 2^{122220200001212} is an apocalyptic number.

It is an amenable number.

122220200001212 is a deficient number, since it is larger than the sum of its proper divisors (91730497473988).

122220200001212 is a wasteful number, since it uses less digits than its factorization.

122220200001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272705 (or 272703 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 122220200001212 its reverse (212100002022221), we get a palindrome (334320202023433).

The spelling of 122220200001212 in words is "one hundred twenty-two trillion, two hundred twenty billion, two hundred million, one thousand, two hundred twelve".