50133212218 has 16 divisors (see below), whose sum is σ = 76440158856. Its totient is φ = 24653240640.

The previous prime is 50133212209. The next prime is 50133212249. The reversal of 50133212218 is 81221233105.

It can be written as a sum of positive squares in 4 ways, for example, as 29168199369 + 20965012849 = 170787^2 + 144793^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2308780 + ... + 2330392.

Almost surely, 2^50133212218 is an apocalyptic number.

50133212218 is a deficient number, since it is larger than the sum of its proper divisors (26306946638).

50133212218 is a wasteful number, since it uses less digits than its factorization.

50133212218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40689.

The product of its (nonzero) digits is 2880, while the sum is 28.

The spelling of 50133212218 in words is "fifty billion, one hundred thirty-three million, two hundred twelve thousand, two hundred eighteen".