12528986215052 has 48 divisors (see below), whose sum is σ = 23351062976640. Its totient is φ = 5865309580032.

The previous prime is 12528986215043. The next prime is 12528986215069. The reversal of 12528986215052 is 25051268982521.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 877883 + ... + 5082189.

It is an arithmetic number, because the mean of its divisors is an integer number (486480478680).

Almost surely, 2^{12528986215052} is an apocalyptic number.

It is an amenable number.

12528986215052 is a deficient number, since it is larger than the sum of its proper divisors (10822076761588).

12528986215052 is a wasteful number, since it uses less digits than its factorization.

12528986215052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4204790 (or 4204788 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 56.

The spelling of 12528986215052 in words is "twelve trillion, five hundred twenty-eight billion, nine hundred eighty-six million, two hundred fifteen thousand, fifty-two".