12287508072 has 64 divisors (see below), whose sum is σ = 35121340800. Its totient is φ = 3509299200.

The previous prime is 12287508071. The next prime is 12287508089. The reversal of 12287508072 is 27080578221.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (12287508071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 445072 + ... + 471872.

It is an arithmetic number, because the mean of its divisors is an integer number (548770950).

Almost surely, 2^12287508072 is an apocalyptic number.

12287508072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12287508072 is an abundant number, since it is smaller than the sum of its proper divisors (22833832728).

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

12287508072 is a wasteful number, since it uses less digits than its factorization.

12287508072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29546 (or 29542 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 42.

The spelling of 12287508072 in words is "twelve billion, two hundred eighty-seven million, five hundred eight thousand, seventy-two".