243136326412 has 48 divisors (see below), whose sum is σ = 492685079040. Its totient is φ = 102834605952.

The previous prime is 243136326409. The next prime is 243136326427. The reversal of 243136326412 is 214623631342.

It is a super-2 number, since 2×243136326412² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 633664 + ... + 942232.

It is an arithmetic number, because the mean of its divisors is an integer number (10264272480).

Almost surely, 2^243136326412 is an apocalyptic number.

It is an amenable number.

243136326412 is an abundant number, since it is smaller than the sum of its proper divisors (249548752628).

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

243136326412 is a wasteful number, since it uses less digits than its factorization.

243136326412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308950 (or 308948 counting only the distinct ones).

The product of its digits is 124416, while the sum is 37.

Adding to 243136326412 its reverse (214623631342), we get a palindrome (457759957754).

The spelling of 243136326412 in words is "two hundred forty-three billion, one hundred thirty-six million, three hundred twenty-six thousand, four hundred twelve".