50000012 has 6 divisors (see below), whose sum is σ = 87500028. Its totient is φ = 25000004.

The previous prime is 49999991. The next prime is 50000017. The reversal of 50000012 is 21000005.

It is not an unprimeable number, because it can be changed into a prime (50000017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6249998 + ... + 6250005.

It is an arithmetic number, because the mean of its divisors is an integer number (14583338).

Almost surely, 2^50000012 is an apocalyptic number.

It is an amenable number.

50000012 is a deficient number, since it is larger than the sum of its proper divisors (37500016).

50000012 is a wasteful number, since it uses less digits than its factorization.

50000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12500007 (or 12500005 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 8.

The square root of 50000012 is about 7071.0686603936. The cubic root of 50000012 is about 368.4031793363.

Adding to 50000012 its reverse (21000005), we get a palindrome (71000017).

The spelling of 50000012 in words is "fifty million, twelve", and thus it is an aban number and an uban number.