12958421753218 has 8 divisors (see below), whose sum is σ = 19440993814848. Its totient is φ = 6478090481604.

The previous prime is 12958421753201. The next prime is 12958421753231. The reversal of 12958421753218 is 81235712485921.

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

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, 560183046 + ... + 560206177.

It is an arithmetic number, because the mean of its divisors is an integer number (2430124226856).

Almost surely, 2^{12958421753218} is an apocalyptic number.

12958421753218 is a deficient number, since it is larger than the sum of its proper divisors (6482572061630).

12958421753218 is a wasteful number, since it uses less digits than its factorization.

12958421753218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120395008.

The product of its digits is 9676800, while the sum is 58.

The spelling of 12958421753218 in words is "twelve trillion, nine hundred fifty-eight billion, four hundred twenty-one million, seven hundred fifty-three thousand, two hundred eighteen".