531201012 has 48 divisors (see below), whose sum is σ = 1306536000. Its totient is φ = 167512320.

The previous prime is 531201001. The next prime is 531201017. The reversal of 531201012 is 210102135.

It is a junction number, because it is equal to n+sod(n) for n = 531200982 and 531201000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531201017) 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, 238062 + ... + 240282.

It is an arithmetic number, because the mean of its divisors is an integer number (27219500).

Almost surely, 2^531201012 is an apocalyptic number.

It is an amenable number.

531201012 is an abundant number, since it is smaller than the sum of its proper divisors (775334988).

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

531201012 is a wasteful number, since it uses less digits than its factorization.

531201012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3296 (or 3294 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 531201012 is about 23047.7984198057. The cubic root of 531201012 is about 809.8780551066.

Adding to 531201012 its reverse (210102135), we get a palindrome (741303147).

The spelling of 531201012 in words is "five hundred thirty-one million, two hundred one thousand, twelve".