52120145112 has 64 divisors (see below), whose sum is σ = 150587942400. Its totient is φ = 14724145920.

The previous prime is 52120145081. The next prime is 52120145137. The reversal of 52120145112 is 21154102125.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 1727964 + ... + 1757867.

It is an arithmetic number, because the mean of its divisors is an integer number (2352936600).

Almost surely, 2^52120145112 is an apocalyptic number.

It is an amenable number.

52120145112 is an abundant number, since it is smaller than the sum of its proper divisors (98467797288).

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

52120145112 is a wasteful number, since it uses less digits than its factorization.

52120145112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3485936 (or 3485932 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 24.

Adding to 52120145112 its reverse (21154102125), we get a palindrome (73274247237).

The spelling of 52120145112 in words is "fifty-two billion, one hundred twenty million, one hundred forty-five thousand, one hundred twelve".