12905743785762 has 16 divisors (see below), whose sum is σ = 25907441060160. Its totient is φ = 4285922347152.

The previous prime is 12905743785751. The next prime is 12905743785763. The reversal of 12905743785762 is 26758734750921.

It is a junction number, because it is equal to n+sod(n) for n = 12905743785693 and 12905743785702.

It is not an unprimeable number, because it can be changed into a prime (12905743785763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3998060278 + ... + 3998063505.

It is an arithmetic number, because the mean of its divisors is an integer number (1619215066260).

It is a 1-persistent number, because it is pandigital, but 2⋅12905743785762 = 25811487571524 is not.

Almost surely, 2^{12905743785762} is an apocalyptic number.

12905743785762 is an abundant number, since it is smaller than the sum of its proper divisors (13001697274398).

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

12905743785762 is a wasteful number, since it uses less digits than its factorization.

12905743785762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7996124057.

The product of its (nonzero) digits is 177811200, while the sum is 66.

The spelling of 12905743785762 in words is "twelve trillion, nine hundred five billion, seven hundred forty-three million, seven hundred eighty-five thousand, seven hundred sixty-two".