12045545214340 has 48 divisors (see below), whose sum is σ = 27595486114560. Its totient is φ = 4380160628480.

The previous prime is 12045545214317. The next prime is 12045545214343. The reversal of 12045545214340 is 4341254554021.

It is a junction number, because it is equal to n+sod(n) for n = 12045545214293 and 12045545214302.

It is not an unprimeable number, because it can be changed into a prime (12045545214343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46385781 + ... + 46644739.

It is an arithmetic number, because the mean of its divisors is an integer number (574905960720).

Almost surely, 2^{12045545214340} is an apocalyptic number.

12045545214340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12045545214340 is an abundant number, since it is smaller than the sum of its proper divisors (15549940900220).

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

12045545214340 is a wasteful number, since it uses less digits than its factorization.

12045545214340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470412 (or 470410 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 40.

Adding to 12045545214340 its reverse (4341254554021), we get a palindrome (16386799768361).

The spelling of 12045545214340 in words is "twelve trillion, forty-five billion, five hundred forty-five million, two hundred fourteen thousand, three hundred forty".