12013452354105 has 12 divisors (see below), whose sum is σ = 20823317413860. Its totient is φ = 6407174588832.

The previous prime is 12013452354067. The next prime is 12013452354109. The reversal of 12013452354105 is 50145325431021.

12013452354105 is a `hidden beast` number, since 1 + 2 + 0 + 1 + 3 + 4 + 5 + 235 + 410 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6490816053264 + 5522636300841 = 2547708^2 + 2350029^2 .

It is not a de Polignac number, because 12013452354105 - 2⁹ = 12013452353593 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12013452354105.

It is not an unprimeable number, because it can be changed into a prime (12013452354109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 133482803890 + ... + 133482803979.

It is an arithmetic number, because the mean of its divisors is an integer number (1735276451155).

Almost surely, 2^{12013452354105} is an apocalyptic number.

12013452354105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12013452354105 is a deficient number, since it is larger than the sum of its proper divisors (8809865059755).

12013452354105 is a wasteful number, since it uses less digits than its factorization.

12013452354105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266965607880 (or 266965607877 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 12013452354105 its reverse (50145325431021), we get a palindrome (62158777785126).

The spelling of 12013452354105 in words is "twelve trillion, thirteen billion, four hundred fifty-two million, three hundred fifty-four thousand, one hundred five".