12282758025 has 12 divisors (see below), whose sum is σ = 20307493392. Its totient is φ = 6550804240.

The previous prime is 12282758023. The next prime is 12282758039. The reversal of 12282758025 is 52085728221.

It is not a de Polignac number, because 12282758025 - 2¹ = 12282758023 is a prime.

It is a super-2 number, since 2×12282758025² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12282758023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81884979 + ... + 81885128.

It is an arithmetic number, because the mean of its divisors is an integer number (1692291116).

Almost surely, 2^12282758025 is an apocalyptic number.

12282758025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12282758025 is a deficient number, since it is larger than the sum of its proper divisors (8024735367).

12282758025 is a wasteful number, since it uses less digits than its factorization.

12282758025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163770120 (or 163770115 counting only the distinct ones).

The product of its (nonzero) digits is 179200, while the sum is 42.

The spelling of 12282758025 in words is "twelve billion, two hundred eighty-two million, seven hundred fifty-eight thousand, twenty-five".