505452212130 has 16 divisors (see below), whose sum is σ = 1213085309184. Its totient is φ = 134787256560.

The previous prime is 505452212117. The next prime is 505452212137. The reversal of 505452212130 is 31212254505.

It is a super-2 number, since 2×505452212130² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 16848407071 = 505452212130 / (5 + 0 + 5 + 4 + 5 + 2 + 2 + 1 + 2 + 1 + 3 + 0).

It is not an unprimeable number, because it can be changed into a prime (505452212137) 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, 8424203506 + ... + 8424203565.

It is an arithmetic number, because the mean of its divisors is an integer number (75817831824).

Almost surely, 2^505452212130 is an apocalyptic number.

505452212130 is an abundant number, since it is smaller than the sum of its proper divisors (707633097054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505452212130 is a wasteful number, since it uses less digits than its factorization.

505452212130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16848407081.

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 505452212130 its reverse (31212254505), we get a palindrome (536664466635).

The spelling of 505452212130 in words is "five hundred five billion, four hundred fifty-two million, two hundred twelve thousand, one hundred thirty".