12530545205012 has 24 divisors (see below), whose sum is σ = 21988341971904. Its totient is φ = 6248176638912.

The previous prime is 12530545204999. The next prime is 12530545205027. The reversal of 12530545205012 is 21050254503521.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1520663 + ... + 5231969.

It is an arithmetic number, because the mean of its divisors is an integer number (916180915496).

Almost surely, 2^{12530545205012} is an apocalyptic number.

It is an amenable number.

12530545205012 is a deficient number, since it is larger than the sum of its proper divisors (9457796766892).

12530545205012 is a wasteful number, since it uses less digits than its factorization.

12530545205012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3713615 (or 3713613 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 35.

Adding to 12530545205012 its reverse (21050254503521), we get a palindrome (33580799708533).

The spelling of 12530545205012 in words is "twelve trillion, five hundred thirty billion, five hundred forty-five million, two hundred five thousand, twelve".