12230442322340 has 96 divisors (see below), whose sum is σ = 28298659229568. Its totient is φ = 4403024000000.

The previous prime is 12230442322333. The next prime is 12230442322379. The reversal of 12230442322340 is 4322324403221.

It is a junction number, because it is equal to n+sod(n) for n = 12230442322297 and 12230442322306.

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, 504315215 + ... + 504339465.

It is an arithmetic number, because the mean of its divisors is an integer number (294777700308).

Almost surely, 2^{12230442322340} is an apocalyptic number.

12230442322340 is a gapful number since it is divisible by the number (10) 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 12230442322340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14149329614784).

12230442322340 is an abundant number, since it is smaller than the sum of its proper divisors (16068216907228).

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

12230442322340 is a wasteful number, since it uses less digits than its factorization.

12230442322340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47069 (or 47067 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 12230442322340 its reverse (4322324403221), we get a palindrome (16552766725561).

The spelling of 12230442322340 in words is "twelve trillion, two hundred thirty billion, four hundred forty-two million, three hundred twenty-two thousand, three hundred forty".