12130413540 has 72 divisors (see below), whose sum is σ = 39510499392. Its totient is φ = 2772665280.

The previous prime is 12130413527. The next prime is 12130413611. The reversal of 12130413540 is 4531403121.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12130413540.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2060056 + ... + 2065935.

It is an arithmetic number, because the mean of its divisors is an integer number (548756936).

Almost surely, 2^12130413540 is an apocalyptic number.

12130413540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12130413540 is an abundant number, since it is smaller than the sum of its proper divisors (27380085852).

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

12130413540 is a wasteful number, since it uses less digits than its factorization.

12130413540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4126017 (or 4126008 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 12130413540 its reverse (4531403121), we get a palindrome (16661816661).

The spelling of 12130413540 in words is "twelve billion, one hundred thirty million, four hundred thirteen thousand, five hundred forty".