505213222133 has 8 divisors (see below), whose sum is σ = 518912116608. Its totient is φ = 491516668944.

The previous prime is 505213222123. The next prime is 505213222159. The reversal of 505213222133 is 331222312505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 505213222133 - 2¹⁸ = 505212959989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 505213222096 and 505213222105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505213222123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143441 + ... + 1015382.

It is an arithmetic number, because the mean of its divisors is an integer number (64864014576).

Almost surely, 2^505213222133 is an apocalyptic number.

It is an amenable number.

505213222133 is a deficient number, since it is larger than the sum of its proper divisors (13698894475).

505213222133 is a wasteful number, since it uses less digits than its factorization.

505213222133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1170643.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 505213222133 its reverse (331222312505), we get a palindrome (836435534638).

The spelling of 505213222133 in words is "five hundred five billion, two hundred thirteen million, two hundred twenty-two thousand, one hundred thirty-three".