505042212243 has 16 divisors (see below), whose sum is σ = 680157294336. Its totient is φ = 333311954400.

The previous prime is 505042212221. The next prime is 505042212373. The reversal of 505042212243 is 342212240505.

It is not a de Polignac number, because 505042212243 - 2¹⁴ = 505042195859 is a prime.

It is a super-2 number, since 2×505042212243² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 505042212243.

It is not an unprimeable number, because it can be changed into a prime (505042212643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1991380 + ... + 2230622.

It is an arithmetic number, because the mean of its divisors is an integer number (42509830896).

Almost surely, 2^505042212243 is an apocalyptic number.

505042212243 is a deficient number, since it is larger than the sum of its proper divisors (175115082093).

505042212243 is a wasteful number, since it uses less digits than its factorization.

505042212243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246314.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 505042212243 its reverse (342212240505), we get a palindrome (847254452748).

The spelling of 505042212243 in words is "five hundred five billion, forty-two million, two hundred twelve thousand, two hundred forty-three".