12414520434545 has 4 divisors (see below), whose sum is σ = 14897424521460. Its totient is φ = 9931616347632.

The previous prime is 12414520434527. The next prime is 12414520434587. The reversal of 12414520434545 is 54543402541421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1399668821776 + 11014851612769 = 1183076^2 + 3318863^2 .

It is a cyclic number.

It is not a de Polignac number, because 12414520434545 - 2¹² = 12414520430449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12414520434496 and 12414520434505.

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, 1241452043450 + ... + 1241452043459.

It is an arithmetic number, because the mean of its divisors is an integer number (3724356130365).

Almost surely, 2^{12414520434545} is an apocalyptic number.

It is an amenable number.

12414520434545 is a deficient number, since it is larger than the sum of its proper divisors (2482904086915).

12414520434545 is an equidigital number, since it uses as much as digits as its factorization.

12414520434545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2482904086914.

The product of its (nonzero) digits is 1536000, while the sum is 44.

Adding to 12414520434545 its reverse (54543402541421), we get a palindrome (66957922975966).

The spelling of 12414520434545 in words is "twelve trillion, four hundred fourteen billion, five hundred twenty million, four hundred thirty-four thousand, five hundred forty-five".