12912790276250 has 40 divisors (see below), whose sum is σ = 24250191620292. Its totient is φ = 5155202000000.

The previous prime is 12912790276249. The next prime is 12912790276289. The reversal of 12912790276250 is 5267209721921.

It can be written as a sum of positive squares in 10 ways, for example, as 624673671769 + 12288116604481 = 790363^2 + 3505441^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12912790276192 and 12912790276201.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9262601 + ... + 10565100.

Almost surely, 2^{12912790276250} is an apocalyptic number.

12912790276250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12912790276250 is a deficient number, since it is larger than the sum of its proper divisors (11337401344042).

12912790276250 is an equidigital number, since it uses as much as digits as its factorization.

12912790276250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19828244 (or 19828229 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 53.

The spelling of 12912790276250 in words is "twelve trillion, nine hundred twelve billion, seven hundred ninety million, two hundred seventy-six thousand, two hundred fifty".