531532144212 has 24 divisors (see below), whose sum is σ = 1283008624800. Its totient is φ = 171067816416.

The previous prime is 531532144207. The next prime is 531532144321. The reversal of 531532144212 is 212441235135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 763695262 + ... + 763695957.

It is an arithmetic number, because the mean of its divisors is an integer number (53458692700).

Almost surely, 2^531532144212 is an apocalyptic number.

It is an amenable number.

531532144212 is an abundant number, since it is smaller than the sum of its proper divisors (751476480588).

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

531532144212 is a wasteful number, since it uses less digits than its factorization.

531532144212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1527391255 (or 1527391253 counting only the distinct ones).

The product of its digits is 28800, while the sum is 33.

Adding to 531532144212 its reverse (212441235135), we get a palindrome (743973379347).

The spelling of 531532144212 in words is "five hundred thirty-one billion, five hundred thirty-two million, one hundred forty-four thousand, two hundred twelve".