12354550200542 has 16 divisors (see below), whose sum is σ = 20219189706864. Its totient is φ = 5614967688000.

The previous prime is 12354550200497. The next prime is 12354550200593. The reversal of 12354550200542 is 24500205545321.

It is a junction number, because it is equal to n+sod(n) for n = 12354550200496 and 12354550200505.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 36675959 + ... + 37011282.

It is an arithmetic number, because the mean of its divisors is an integer number (1263699356679).

Almost surely, 2^{12354550200542} is an apocalyptic number.

12354550200542 is a deficient number, since it is larger than the sum of its proper divisors (7864639506322).

12354550200542 is a wasteful number, since it uses less digits than its factorization.

12354550200542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73694875.

The product of its (nonzero) digits is 240000, while the sum is 38.

Adding to 12354550200542 its reverse (24500205545321), we get a palindrome (36854755745863).

The spelling of 12354550200542 in words is "twelve trillion, three hundred fifty-four billion, five hundred fifty million, two hundred thousand, five hundred forty-two".