12245215535142 has 8 divisors (see below), whose sum is σ = 24490431070296. Its totient is φ = 4081738511712.

The previous prime is 12245215535089. The next prime is 12245215535159. The reversal of 12245215535142 is 24153551254221.

It is a sphenic number, since it is the product of 3 distinct primes.

12245215535142 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 12245215535094 and 12245215535103.

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, 1020434627923 + ... + 1020434627934.

It is an arithmetic number, because the mean of its divisors is an integer number (3061303883787).

Almost surely, 2^{12245215535142} is an apocalyptic number.

12245215535142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12245215535142 is a wasteful number, since it uses less digits than its factorization.

12245215535142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2040869255862.

The product of its digits is 480000, while the sum is 42.

Adding to 12245215535142 its reverse (24153551254221), we get a palindrome (36398766789363).

The spelling of 12245215535142 in words is "twelve trillion, two hundred forty-five billion, two hundred fifteen million, five hundred thirty-five thousand, one hundred forty-two".