12420441234115 has 4 divisors (see below), whose sum is σ = 14904529480944. Its totient is φ = 9936352987288.

The previous prime is 12420441234079. The next prime is 12420441234191. The reversal of 12420441234115 is 51143214402421.

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

It is a cyclic number.

It is not a de Polignac number, because 12420441234115 - 2¹⁷ = 12420441103043 is a prime.

It is a Duffinian 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, 1242044123407 + ... + 1242044123416.

It is an arithmetic number, because the mean of its divisors is an integer number (3726132370236).

Almost surely, 2^{12420441234115} is an apocalyptic number.

12420441234115 is a deficient number, since it is larger than the sum of its proper divisors (2484088246829).

12420441234115 is an equidigital number, since it uses as much as digits as its factorization.

12420441234115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2484088246828.

The product of its (nonzero) digits is 30720, while the sum is 34.

Adding to 12420441234115 its reverse (51143214402421), we get a palindrome (63563655636536).

The spelling of 12420441234115 in words is "twelve trillion, four hundred twenty billion, four hundred forty-one million, two hundred thirty-four thousand, one hundred fifteen".