50122212451 has 2 divisors, whose sum is σ = 50122212452. Its totient is φ = 50122212450.

The previous prime is 50122212449. The next prime is 50122212457. The reversal of 50122212451 is 15421222105.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50122212451 - 2¹ = 50122212449 is a prime.

Together with 50122212449, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (50122212457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25061106225 + 25061106226.

It is an arithmetic number, because the mean of its divisors is an integer number (25061106226).

Almost surely, 2^50122212451 is an apocalyptic number.

50122212451 is a deficient number, since it is larger than the sum of its proper divisors (1).

50122212451 is an equidigital number, since it uses as much as digits as its factorization.

50122212451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 50122212451 its reverse (15421222105), we get a palindrome (65543434556).

The spelling of 50122212451 in words is "fifty billion, one hundred twenty-two million, two hundred twelve thousand, four hundred fifty-one".