50512342121 has 4 divisors (see below), whose sum is σ = 52141772544. Its totient is φ = 48882911700.

The previous prime is 50512342117. The next prime is 50512342123. The reversal of 50512342121 is 12124321505.

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 50512342121 - 2² = 50512342117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50512342123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 814715165 + ... + 814715226.

It is an arithmetic number, because the mean of its divisors is an integer number (13035443136).

Almost surely, 2^50512342121 is an apocalyptic number.

It is an amenable number.

50512342121 is a deficient number, since it is larger than the sum of its proper divisors (1629430423).

50512342121 is a wasteful number, since it uses less digits than its factorization.

50512342121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1629430422.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 50512342121 its reverse (12124321505), we get a palindrome (62636663626).

The spelling of 50512342121 in words is "fifty billion, five hundred twelve million, three hundred forty-two thousand, one hundred twenty-one".