531122412 has 24 divisors (see below), whose sum is σ = 1268107456. Its totient is φ = 172923408.

The previous prime is 531122401. The next prime is 531122413. The reversal of 531122412 is 214221135.

It is not an unprimeable number, because it can be changed into a prime (531122413) 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, 514138 + ... + 515169.

Almost surely, 2^531122412 is an apocalyptic number.

It is an amenable number.

531122412 is an abundant number, since it is smaller than the sum of its proper divisors (736985044).

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

531122412 is a wasteful number, since it uses less digits than its factorization.

531122412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029357 (or 1029355 counting only the distinct ones).

The product of its digits is 480, while the sum is 21.

The square root of 531122412 is about 23046.0932047061. The cubic root of 531122412 is about 809.8381081728.

Adding to 531122412 its reverse (214221135), we get a palindrome (745343547).

The spelling of 531122412 in words is "five hundred thirty-one million, one hundred twenty-two thousand, four hundred twelve".