13412505515242 has 4 divisors (see below), whose sum is σ = 20118758272866. Its totient is φ = 6706252757620.

The previous prime is 13412505515221. The next prime is 13412505515251. The reversal of 13412505515242 is 24251550521431.

13412505515242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 12359380079281 + 1053125435961 = 3515591^2 + 1026219^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13412505515195 and 13412505515204.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3353126378809 + ... + 3353126378812.

Almost surely, 2^{13412505515242} is an apocalyptic number.

13412505515242 is a deficient number, since it is larger than the sum of its proper divisors (6706252757624).

13412505515242 is an equidigital number, since it uses as much as digits as its factorization.

13412505515242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6706252757623.

The product of its (nonzero) digits is 240000, while the sum is 40.

The spelling of 13412505515242 in words is "thirteen trillion, four hundred twelve billion, five hundred five million, five hundred fifteen thousand, two hundred forty-two".