12529411890 has 32 divisors (see below), whose sum is σ = 30494123136. Its totient is φ = 3294117120.

The previous prime is 12529411879. The next prime is 12529411891. The reversal of 12529411890 is 9811492521.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12529411891) 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, 2939047 + ... + 2943306.

It is an arithmetic number, because the mean of its divisors is an integer number (952941348).

Almost surely, 2^12529411890 is an apocalyptic number.

12529411890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12529411890 is an abundant number, since it is smaller than the sum of its proper divisors (17964711246).

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

12529411890 is a wasteful number, since it uses less digits than its factorization.

12529411890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5882434.

The product of its (nonzero) digits is 51840, while the sum is 42.

The spelling of 12529411890 in words is "twelve billion, five hundred twenty-nine million, four hundred eleven thousand, eight hundred ninety".