12414520434521 has 32 divisors (see below), whose sum is σ = 13597322618880. Its totient is φ = 11288198525184.

The previous prime is 12414520434509. The next prime is 12414520434527. The reversal of 12414520434521 is 12543402541421.

It is a de Polignac number, because none of the positive numbers 2^k-12414520434521 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12414520434527) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63072566 + ... + 63269088.

It is an arithmetic number, because the mean of its divisors is an integer number (424916331840).

Almost surely, 2^{12414520434521} is an apocalyptic number.

It is an amenable number.

12414520434521 is a deficient number, since it is larger than the sum of its proper divisors (1182802184359).

12414520434521 is a wasteful number, since it uses less digits than its factorization.

12414520434521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197525.

The product of its (nonzero) digits is 153600, while the sum is 38.

Adding to 12414520434521 its reverse (12543402541421), we get a palindrome (24957922975942).

The spelling of 12414520434521 in words is "twelve trillion, four hundred fourteen billion, five hundred twenty million, four hundred thirty-four thousand, five hundred twenty-one".