12129200812528 has 10 divisors (see below), whose sum is σ = 23500326574304. Its totient is φ = 6064600406256.

The previous prime is 12129200812499. The next prime is 12129200812621. The reversal of 12129200812528 is 82521800292121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 379037525376 + ... + 379037525407.

Almost surely, 2^{12129200812528} is an apocalyptic number.

It is an amenable number.

12129200812528 is a deficient number, since it is larger than the sum of its proper divisors (11371125761776).

12129200812528 is an equidigital number, since it uses as much as digits as its factorization.

12129200812528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758075050791 (or 758075050785 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 43.

The spelling of 12129200812528 in words is "twelve trillion, one hundred twenty-nine billion, two hundred million, eight hundred twelve thousand, five hundred twenty-eight".