142664521122 has 54 divisors (see below), whose sum is σ = 312004620369. Its totient is φ = 47113088400.

The previous prime is 142664521117. The next prime is 142664521159. The reversal of 142664521122 is 221125466241.

142664521122 is a `hidden beast` number, since 1 + 4 + 2 + 6 + 6 + 4 + 521 + 122 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 120472162281 + 22192358841 = 347091^2 + 148971^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=267081.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 203515372 + ... + 203516072.

Almost surely, 2^142664521122 is an apocalyptic number.

142664521122 is an abundant number, since it is smaller than the sum of its proper divisors (169340099247).

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

142664521122 is an frugal number, since it uses more digits than its factorization.

142664521122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1664 (or 833 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

Adding to 142664521122 its reverse (221125466241), we get a palindrome (363789987363).

The spelling of 142664521122 in words is "one hundred forty-two billion, six hundred sixty-four million, five hundred twenty-one thousand, one hundred twenty-two".