12517411420 has 12 divisors (see below), whose sum is σ = 26286564024. Its totient is φ = 5006964560.

The previous prime is 12517411411. The next prime is 12517411453. The reversal of 12517411420 is 2411471521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312935266 + ... + 312935305.

It is an arithmetic number, because the mean of its divisors is an integer number (2190547002).

Almost surely, 2^12517411420 is an apocalyptic number.

12517411420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12517411420 is an abundant number, since it is smaller than the sum of its proper divisors (13769152604).

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

12517411420 is a wasteful number, since it uses less digits than its factorization.

12517411420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625870580 (or 625870578 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

Adding to 12517411420 its reverse (2411471521), we get a palindrome (14928882941).

The spelling of 12517411420 in words is "twelve billion, five hundred seventeen million, four hundred eleven thousand, four hundred twenty".