12045542332401 has 12 divisors (see below), whose sum is σ = 17869363100212. Its totient is φ = 7813324755936.

The previous prime is 12045542332367. The next prime is 12045542332493. The reversal of 12045542332401 is 10423324554021.

It is a happy number.

12045542332401 is a `hidden beast` number, since 1 + 2 + 0 + 45 + 542 + 3 + 32 + 40 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 9871215138801 + 2174327193600 = 3141849^2 + 1474560^2 .

It is not a de Polignac number, because 12045542332401 - 2⁷ = 12045542332273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12045542332301) 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, 18086399566 + ... + 18086400231.

Almost surely, 2^{12045542332401} is an apocalyptic number.

It is an amenable number.

12045542332401 is a deficient number, since it is larger than the sum of its proper divisors (5823820767811).

12045542332401 is a wasteful number, since it uses less digits than its factorization.

12045542332401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36172799840 (or 36172799837 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 12045542332401 its reverse (10423324554021), we get a palindrome (22468866886422).

The spelling of 12045542332401 in words is "twelve trillion, forty-five billion, five hundred forty-two million, three hundred thirty-two thousand, four hundred one".