50512400012 has 6 divisors (see below), whose sum is σ = 88396700028. Its totient is φ = 25256200004.

The previous prime is 50512399981. The next prime is 50512400021. The reversal of 50512400012 is 21000421505.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6314049998 + ... + 6314050005.

It is an arithmetic number, because the mean of its divisors is an integer number (14732783338).

Almost surely, 2^50512400012 is an apocalyptic number.

It is an amenable number.

50512400012 is a deficient number, since it is larger than the sum of its proper divisors (37884300016).

50512400012 is a wasteful number, since it uses less digits than its factorization.

50512400012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12628100007 (or 12628100005 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

Adding to 50512400012 its reverse (21000421505), we get a palindrome (71512821517).

The spelling of 50512400012 in words is "fifty billion, five hundred twelve million, four hundred thousand, twelve".