12696256250 has 48 divisors (see below), whose sum is σ = 24015947256. Its totient is φ = 5033280000.

The previous prime is 12696256249. The next prime is 12696256253. The reversal of 12696256250 is 5265269621.

It can be written as a sum of positive squares in 12 ways, for example, as 9781012201 + 2915244049 = 98899^2 + 53993^2 .

It is a super-2 number, since 2×12696256250² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12696256253) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 697262 + ... + 715238.

Almost surely, 2^12696256250 is an apocalyptic number.

12696256250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12696256250 is a deficient number, since it is larger than the sum of its proper divisors (11319691006).

12696256250 is an equidigital number, since it uses as much as digits as its factorization.

12696256250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18117 (or 18097 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 44.

The spelling of 12696256250 in words is "twelve billion, six hundred ninety-six million, two hundred fifty-six thousand, two hundred fifty".