12695244750 has 256 divisors, whose sum is σ = 36373708800. Its totient is φ = 3274992000.

The previous prime is 12695244733. The next prime is 12695244761. The reversal of 12695244750 is 5744259621.

12695244750 is a `hidden beast` number, since 12 + 69 + 524 + 4 + 7 + 50 = 666.

It is a super-2 number, since 2×12695244750² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 12695244696 and 12695244705.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 55437636 + ... + 55437864.

It is an arithmetic number, because the mean of its divisors is an integer number (142084800).

Almost surely, 2^12695244750 is an apocalyptic number.

12695244750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12695244750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18186854400).

12695244750 is an abundant number, since it is smaller than the sum of its proper divisors (23678464050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12695244750 is a wasteful number, since it uses less digits than its factorization.

12695244750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489 (or 473 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 12695244750 in words is "twelve billion, six hundred ninety-five million, two hundred forty-four thousand, seven hundred fifty".