231224444412 has 48 divisors (see below), whose sum is σ = 586455714432. Its totient is φ = 70481062080.

The previous prime is 231224444401. The next prime is 231224444413. The reversal of 231224444412 is 214444422132.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231224444413) 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, 6909514 + ... + 6942897.

It is an arithmetic number, because the mean of its divisors is an integer number (12217827384).

Almost surely, 2^231224444412 is an apocalyptic number.

It is an amenable number.

231224444412 is an abundant number, since it is smaller than the sum of its proper divisors (355231270020).

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

231224444412 is a wasteful number, since it uses less digits than its factorization.

231224444412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13852538 (or 13852536 counting only the distinct ones).

The product of its digits is 49152, while the sum is 33.

Adding to 231224444412 its reverse (214444422132), we get a palindrome (445668866544).

The spelling of 231224444412 in words is "two hundred thirty-one billion, two hundred twenty-four million, four hundred forty-four thousand, four hundred twelve".