52142515212 has 12 divisors (see below), whose sum is σ = 121665868856. Its totient is φ = 17380838400.

The previous prime is 52142515109. The next prime is 52142515223. The reversal of 52142515212 is 21251524125.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 52142515212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2172604789 + ... + 2172604812.

Almost surely, 2^52142515212 is an apocalyptic number.

It is an amenable number.

52142515212 is an abundant number, since it is smaller than the sum of its proper divisors (69523353644).

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

52142515212 is a wasteful number, since it uses less digits than its factorization.

52142515212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4345209608 (or 4345209606 counting only the distinct ones).

The product of its digits is 8000, while the sum is 30.

The spelling of 52142515212 in words is "fifty-two billion, one hundred forty-two million, five hundred fifteen thousand, two hundred twelve".