12232301232340 has 72 divisors (see below), whose sum is σ = 29882405233800. Its totient is φ = 4193841915648.

The previous prime is 12232301232331. The next prime is 12232301232341. The reversal of 12232301232340 is 4323210323221.

It can be written as a sum of positive squares in 4 ways, for example, as 548032245264 + 11684268987076 = 740292^2 + 3418226^2 .

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 12232301232299 and 12232301232308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12232301232341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58842262 + ... + 59049778.

It is an arithmetic number, because the mean of its divisors is an integer number (415033406025).

Almost surely, 2^{12232301232340} is an apocalyptic number.

12232301232340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12232301232340 is an abundant number, since it is smaller than the sum of its proper divisors (17650104001460).

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

12232301232340 is a wasteful number, since it uses less digits than its factorization.

12232301232340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267689 (or 267680 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 12232301232340 its reverse (4323210323221), we get a palindrome (16555511555561).

The spelling of 12232301232340 in words is "twelve trillion, two hundred thirty-two billion, three hundred one million, two hundred thirty-two thousand, three hundred forty".