12545442002 has 8 divisors (see below), whose sum is σ = 18823533312. Its totient is φ = 6270930900.

The previous prime is 12545441983. The next prime is 12545442017. The reversal of 12545442002 is 20024454521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 886274 + ... + 900317.

It is an arithmetic number, because the mean of its divisors is an integer number (2352941664).

Almost surely, 2^12545442002 is an apocalyptic number.

12545442002 is a deficient number, since it is larger than the sum of its proper divisors (6278091310).

12545442002 is a wasteful number, since it uses less digits than its factorization.

12545442002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1790104.

The product of its (nonzero) digits is 12800, while the sum is 29.

Adding to 12545442002 its reverse (20024454521), we get a palindrome (32569896523).

The spelling of 12545442002 in words is "twelve billion, five hundred forty-five million, four hundred forty-two thousand, two".