122212020122001 has 6 divisors (see below), whose sum is σ = 176528473509570. Its totient is φ = 81474680081328.

The previous prime is 122212020121889. The next prime is 122212020122029. The reversal of 122212020122001 is 100221020212221.

It is a happy number.

122212020122001 is a `hidden beast` number, since 1 + 2 + 221 + 20 + 201 + 220 + 0 + 1 = 666.

122212020122001 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 110734560256401 + 11477459865600 = 10523049^2 + 3387840^2 .

It is not a de Polignac number, because 122212020122001 - 2¹⁰ = 122212020120977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122212020122501) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6789556673436 + ... + 6789556673453.

It is an arithmetic number, because the mean of its divisors is an integer number (29421412251595).

Almost surely, 2^{122212020122001} is an apocalyptic number.

It is an amenable number.

122212020122001 is a deficient number, since it is larger than the sum of its proper divisors (54316453387569).

122212020122001 is a wasteful number, since it uses less digits than its factorization.

122212020122001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13579113346895 (or 13579113346892 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 122212020122001 its reverse (100221020212221), we get a palindrome (222433040334222).

The spelling of 122212020122001 in words is "one hundred twenty-two trillion, two hundred twelve billion, twenty million, one hundred twenty-two thousand, one".