122021120002012 has 192 divisors, whose sum is σ = 287709750558720. Its totient is φ = 43879327430400.

The previous prime is 122021120001919. The next prime is 122021120002099. The reversal of 122021120002012 is 210200021120221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21058414 + ... + 26220202.

It is an arithmetic number, because the mean of its divisors is an integer number (1498488284160).

Almost surely, 2^{122021120002012} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122021120002012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143854875279360).

122021120002012 is an abundant number, since it is smaller than the sum of its proper divisors (165688630556708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122021120002012 is a wasteful number, since it uses less digits than its factorization.

122021120002012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5161952 (or 5161950 counting only the distinct ones).

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

Adding to 122021120002012 its reverse (210200021120221), we get a palindrome (332221141122233).

The spelling of 122021120002012 in words is "one hundred twenty-two trillion, twenty-one billion, one hundred twenty million, two thousand, twelve".