12745163532 has 24 divisors (see below), whose sum is σ = 29854436976. Its totient is φ = 4231856128.

The previous prime is 12745163531. The next prime is 12745163533. The reversal of 12745163532 is 23536154721.

It is an interprime number because it is at equal distance from previous prime (12745163531) and next prime (12745163533).

It is not an unprimeable number, because it can be changed into a prime (12745163531) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2063253 + ... + 2069420.

It is an arithmetic number, because the mean of its divisors is an integer number (1243934874).

Almost surely, 2^12745163532 is an apocalyptic number.

12745163532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12745163532 is an abundant number, since it is smaller than the sum of its proper divisors (17109273444).

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

12745163532 is a wasteful number, since it uses less digits than its factorization.

12745163532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4132937 (or 4132935 counting only the distinct ones).

The product of its digits is 151200, while the sum is 39.

The spelling of 12745163532 in words is "twelve billion, seven hundred forty-five million, one hundred sixty-three thousand, five hundred thirty-two".