1231243324332 has 96 divisors (see below), whose sum is σ = 3461229703680. Its totient is φ = 332776304640.

The previous prime is 1231243324319. The next prime is 1231243324343. The reversal of 1231243324332 is 2334233421321.

It is a super-2 number, since 2×1231243324332² (a number of 25 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 1231243324293 and 1231243324302.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 510732 + ... + 1650252.

It is an arithmetic number, because the mean of its divisors is an integer number (36054476080).

Almost surely, 2^{1231243324332} is an apocalyptic number.

1231243324332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1231243324332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1730614851840).

1231243324332 is an abundant number, since it is smaller than the sum of its proper divisors (2229986379348).

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

1231243324332 is a wasteful number, since it uses less digits than its factorization.

1231243324332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1140231 (or 1140229 counting only the distinct ones).

The product of its digits is 62208, while the sum is 33.

Adding to 1231243324332 its reverse (2334233421321), we get a palindrome (3565476745653).

The spelling of 1231243324332 in words is "one trillion, two hundred thirty-one billion, two hundred forty-three million, three hundred twenty-four thousand, three hundred thirty-two".