12546211603 has 8 divisors (see below), whose sum is σ = 13093805088. Its totient is φ = 11998793664.

The previous prime is 12546211597. The next prime is 12546211607. The reversal of 12546211603 is 30611264521.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12546211603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12546211607) 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, 114351 + ... + 195367.

It is an arithmetic number, because the mean of its divisors is an integer number (1636725636).

Almost surely, 2^12546211603 is an apocalyptic number.

12546211603 is a deficient number, since it is larger than the sum of its proper divisors (547593485).

12546211603 is an equidigital number, since it uses as much as digits as its factorization.

12546211603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87773.

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 12546211603 in words is "twelve billion, five hundred forty-six million, two hundred eleven thousand, six hundred three".