12125464547 has 8 divisors (see below), whose sum is σ = 14033088000. Its totient is φ = 10261694664.

The previous prime is 12125464541. The next prime is 12125464579. The reversal of 12125464547 is 74546452121.

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 not a de Polignac number, because 12125464547 - 2¹⁸ = 12125202403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12125464541) 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, 10962797 + ... + 10963902.

It is an arithmetic number, because the mean of its divisors is an integer number (1754136000).

Almost surely, 2^12125464547 is an apocalyptic number.

12125464547 is a deficient number, since it is larger than the sum of its proper divisors (1907623453).

12125464547 is an equidigital number, since it uses as much as digits as its factorization.

12125464547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21926785.

The product of its digits is 268800, while the sum is 41.

The spelling of 12125464547 in words is "twelve billion, one hundred twenty-five million, four hundred sixty-four thousand, five hundred forty-seven".