12243105131346 has 80 divisors (see below), whose sum is σ = 27464753299104. Its totient is φ = 4076406202176.

The previous prime is 12243105131221. The next prime is 12243105131351. The reversal of 12243105131346 is 64313150134221.

12243105131346 is a `hidden beast` number, since 1 + 2 + 2 + 4 + 3 + 1 + 0 + 513 + 134 + 6 = 666.

12243105131346 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12243105131346.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1434118390 + ... + 1434126926.

Almost surely, 2^{12243105131346} is an apocalyptic number.

12243105131346 is an abundant number, since it is smaller than the sum of its proper divisors (15221648167758).

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

12243105131346 is a wasteful number, since it uses less digits than its factorization.

12243105131346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17557 (or 17548 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

Adding to 12243105131346 its reverse (64313150134221), we get a palindrome (76556255265567).

The spelling of 12243105131346 in words is "twelve trillion, two hundred forty-three billion, one hundred five million, one hundred thirty-one thousand, three hundred forty-six".