12558147452 has 24 divisors (see below), whose sum is σ = 23321390400. Its totient is φ = 5896540160.

The previous prime is 12558147431. The next prime is 12558147457. The reversal of 12558147452 is 25474185521.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12558147457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175124 + ... + 236187.

It is an arithmetic number, because the mean of its divisors is an integer number (971724600).

Almost surely, 2^12558147452 is an apocalyptic number.

It is an amenable number.

12558147452 is a deficient number, since it is larger than the sum of its proper divisors (10763242948).

12558147452 is a wasteful number, since it uses less digits than its factorization.

12558147452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411781 (or 411779 counting only the distinct ones).

The product of its digits is 448000, while the sum is 44.

The spelling of 12558147452 in words is "twelve billion, five hundred fifty-eight million, one hundred forty-seven thousand, four hundred fifty-two".