50122512218 has 16 divisors (see below), whose sum is σ = 77146171200. Its totient is φ = 24409164000.

The previous prime is 50122512211. The next prime is 50122512263. The reversal of 50122512218 is 81221522105.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (50122512211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 461108 + ... + 559343.

It is an arithmetic number, because the mean of its divisors is an integer number (4821635700).

Almost surely, 2^50122512218 is an apocalyptic number.

50122512218 is a deficient number, since it is larger than the sum of its proper divisors (27023658982).

50122512218 is a wasteful number, since it uses less digits than its factorization.

50122512218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021093.

The product of its (nonzero) digits is 3200, while the sum is 29.

The spelling of 50122512218 in words is "fifty billion, one hundred twenty-two million, five hundred twelve thousand, two hundred eighteen".