12805401651418 has 8 divisors (see below), whose sum is σ = 19211982132960. Its totient is φ = 6401407607100.

The previous prime is 12805401651391. The next prime is 12805401651431. The reversal of 12805401651418 is 81415610450821.

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

It is a super-2 number, since 2×12805401651418² (a number of 27 digits) contains 22 as substring.

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, 646596928 + ... + 646616731.

It is an arithmetic number, because the mean of its divisors is an integer number (2401497766620).

Almost surely, 2^{12805401651418} is an apocalyptic number.

12805401651418 is a deficient number, since it is larger than the sum of its proper divisors (6406580481542).

12805401651418 is a wasteful number, since it uses less digits than its factorization.

12805401651418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1293218612.

The product of its (nonzero) digits is 307200, while the sum is 46.

The spelling of 12805401651418 in words is "twelve trillion, eight hundred five billion, four hundred one million, six hundred fifty-one thousand, four hundred eighteen".