531254414012 has 96 divisors (see below), whose sum is σ = 1093334989824. Its totient is φ = 221127667200.

The previous prime is 531254414011. The next prime is 531254414021. The reversal of 531254414012 is 210414452135.

It is a super-2 number, since 2×531254414012² (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 531254414012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531254414011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 297954473 + ... + 297956255.

It is an arithmetic number, because the mean of its divisors is an integer number (11388906144).

Almost surely, 2^531254414012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 531254414012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (546667494912).

531254414012 is an abundant number, since it is smaller than the sum of its proper divisors (562080575812).

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

531254414012 is a wasteful number, since it uses less digits than its factorization.

531254414012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2859 (or 2857 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 531254414012 its reverse (210414452135), we get a palindrome (741668866147).

The spelling of 531254414012 in words is "five hundred thirty-one billion, two hundred fifty-four million, four hundred fourteen thousand, twelve".