12529489000 has 64 divisors (see below), whose sum is σ = 33507452160. Its totient is φ = 4295822400.

The previous prime is 12529488943. The next prime is 12529489001. The reversal of 12529489000 is 98492521.

It is a super-2 number, since 2×12529489000² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (12529489001) 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, 887964 + ... + 901963.

It is an arithmetic number, because the mean of its divisors is an integer number (523553940).

Almost surely, 2^12529489000 is an apocalyptic number.

12529489000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12529489000 is an abundant number, since it is smaller than the sum of its proper divisors (20977963160).

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

12529489000 is a wasteful number, since it uses less digits than its factorization.

12529489000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1789955 (or 1789941 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

The spelling of 12529489000 in words is "twelve billion, five hundred twenty-nine million, four hundred eighty-nine thousand".