12125052540064 has 24 divisors (see below), whose sum is σ = 24426341311680. Its totient is φ = 5921537286336.

The previous prime is 12125052540059. The next prime is 12125052540067. The reversal of 12125052540064 is 46004525052121.

It is not an unprimeable number, because it can be changed into a prime (12125052540067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4405904344 + ... + 4405907095.

It is an arithmetic number, because the mean of its divisors is an integer number (1017764221320).

Almost surely, 2^{12125052540064} is an apocalyptic number.

It is an amenable number.

12125052540064 is an abundant number, since it is smaller than the sum of its proper divisors (12301288771616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12125052540064 is an equidigital number, since it uses as much as digits as its factorization.

12125052540064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8811811492 (or 8811811484 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 37.

Adding to 12125052540064 its reverse (46004525052121), we get a palindrome (58129577592185).

The spelling of 12125052540064 in words is "twelve trillion, one hundred twenty-five billion, fifty-two million, five hundred forty thousand, sixty-four".