12311300243032 has 128 divisors (see below), whose sum is σ = 27576925632000. Its totient is φ = 5148938019456.

The previous prime is 12311300243009. The next prime is 12311300243051. The reversal of 12311300243032 is 23034200311321.

It is a super-2 number, since 2×12311300243032² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12311300242988 and 12311300243006.

It is a congruent number.

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, 19358818 + ... + 19984654.

It is an arithmetic number, because the mean of its divisors is an integer number (215444731500).

Almost surely, 2^{12311300243032} 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 12311300243032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13788462816000).

12311300243032 is an abundant number, since it is smaller than the sum of its proper divisors (15265625388968).

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

12311300243032 is a wasteful number, since it uses less digits than its factorization.

12311300243032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626038 (or 626020 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 12311300243032 its reverse (23034200311321), we get a palindrome (35345500554353).

The spelling of 12311300243032 in words is "twelve trillion, three hundred eleven billion, three hundred million, two hundred forty-three thousand, thirty-two".