50512302121 has 4 divisors (see below), whose sum is σ = 50513114512. Its totient is φ = 50511489732.

The previous prime is 50512302101. The next prime is 50512302149. The reversal of 50512302121 is 12120321505.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50512302121 - 2¹⁷ = 50512171049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50512302092 and 50512302101.

It is not an unprimeable number, because it can be changed into a prime (50512302101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 304431 + ... + 440116.

It is an arithmetic number, because the mean of its divisors is an integer number (12628278628).

Almost surely, 2^50512302121 is an apocalyptic number.

It is an amenable number.

50512302121 is a deficient number, since it is larger than the sum of its proper divisors (812391).

50512302121 is an equidigital number, since it uses as much as digits as its factorization.

50512302121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812390.

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 50512302121 its reverse (12120321505), we get a palindrome (62632623626).

The spelling of 50512302121 in words is "fifty billion, five hundred twelve million, three hundred two thousand, one hundred twenty-one".