12546211604 has 12 divisors (see below), whose sum is σ = 21976768128. Its totient is φ = 6267135000.

The previous prime is 12546211597. The next prime is 12546211607. The reversal of 12546211604 is 40611264521.

It is a super-2 number, since 2×12546211604² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12546211607) 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 3 ways as a sum of consecutive naturals, for example, 1487972 + ... + 1496379.

It is an arithmetic number, because the mean of its divisors is an integer number (1831397344).

Almost surely, 2^12546211604 is an apocalyptic number.

It is an amenable number.

12546211604 is a deficient number, since it is larger than the sum of its proper divisors (9430556524).

12546211604 is a wasteful number, since it uses less digits than its factorization.

12546211604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2985406 (or 2985404 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 12546211604 in words is "twelve billion, five hundred forty-six million, two hundred eleven thousand, six hundred four".