12754208205405 has 48 divisors (see below), whose sum is σ = 22897270356480. Its totient is φ = 6559742093184.

The previous prime is 12754208205379. The next prime is 12754208205421. The reversal of 12754208205405 is 50450280245721.

12754208205405 is a `hidden beast` number, since 1 + 2 + 7 + 5 + 4 + 20 + 82 + 0 + 540 + 5 = 666.

It is not a de Polignac number, because 12754208205405 - 2⁵ = 12754208205373 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4829677 + ... + 6988146.

It is an arithmetic number, because the mean of its divisors is an integer number (477026465760).

Almost surely, 2^{12754208205405} is an apocalyptic number.

12754208205405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12754208205405 is a deficient number, since it is larger than the sum of its proper divisors (10143062151075).

12754208205405 is a wasteful number, since it uses less digits than its factorization.

12754208205405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11818690 (or 11818687 counting only the distinct ones).

The product of its (nonzero) digits is 896000, while the sum is 45.

The spelling of 12754208205405 in words is "twelve trillion, seven hundred fifty-four billion, two hundred eight million, two hundred five thousand, four hundred five".