50012321013 has 12 divisors (see below), whose sum is σ = 72243799680. Its totient is φ = 33339802536.

The previous prime is 50012321003. The next prime is 50012321017. The reversal of 50012321013 is 31012321005.

It is not a de Polignac number, because 50012321013 - 2¹⁰ = 50012319989 is a prime.

It is a super-2 number, since 2×50012321013² (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 (50012321017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49948 + ... + 320186.

It is an arithmetic number, because the mean of its divisors is an integer number (6020316640).

Almost surely, 2^50012321013 is an apocalyptic number.

It is an amenable number.

50012321013 is a deficient number, since it is larger than the sum of its proper divisors (22231478667).

50012321013 is a wasteful number, since it uses less digits than its factorization.

50012321013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290808 (or 290805 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

Adding to 50012321013 its reverse (31012321005), we get a palindrome (81024642018).

The spelling of 50012321013 in words is "fifty billion, twelve million, three hundred twenty-one thousand, thirteen".