50012111252 has 6 divisors (see below), whose sum is σ = 87521194698. Its totient is φ = 25006055624.

The previous prime is 50012111251. The next prime is 50012111287. The reversal of 50012111252 is 25211121005.

It can be written as a sum of positive squares in only one way, i.e., 29277263236 + 20734848016 = 171106^2 + 143996^2 .

It is a super-2 number, since 2×50012111252² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50012111251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6251513903 + ... + 6251513910.

It is an arithmetic number, because the mean of its divisors is an integer number (14586865783).

Almost surely, 2^50012111252 is an apocalyptic number.

It is an amenable number.

50012111252 is a deficient number, since it is larger than the sum of its proper divisors (37509083446).

50012111252 is a wasteful number, since it uses less digits than its factorization.

50012111252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12503027817 (or 12503027815 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 20.

Adding to 50012111252 its reverse (25211121005), we get a palindrome (75223232257).

The spelling of 50012111252 in words is "fifty billion, twelve million, one hundred eleven thousand, two hundred fifty-two".