12546223045 has 8 divisors (see below), whose sum is σ = 15170395680. Its totient is φ = 9960359760.

The previous prime is 12546223043. The next prime is 12546223061. The reversal of 12546223045 is 54032264521.

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

It is not a de Polignac number, because 12546223045 - 2¹ = 12546223043 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12546223045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12546223043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9576615 + ... + 9577924.

It is an arithmetic number, because the mean of its divisors is an integer number (1896299460).

Almost surely, 2^12546223045 is an apocalyptic number.

It is an amenable number.

12546223045 is a deficient number, since it is larger than the sum of its proper divisors (2624172635).

12546223045 is a wasteful number, since it uses less digits than its factorization.

12546223045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19154675.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 12546223045 its reverse (54032264521), we get a palindrome (66578487566).

The spelling of 12546223045 in words is "twelve billion, five hundred forty-six million, two hundred twenty-three thousand, forty-five".