12905743785701 has 8 divisors (see below), whose sum is σ = 13898955335160. Its totient is φ = 11912598240192.

The previous prime is 12905743785691. The next prime is 12905743785721. The reversal of 12905743785701 is 10758734750921.

It can be written as a sum of positive squares in 4 ways, for example, as 964579336900 + 11941164448801 = 982130^2 + 3455599^2 .

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

It is not a de Polignac number, because 12905743785701 - 2¹⁸ = 12905743523557 is a prime.

It is a super-2 number, since 2×12905743785701² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12905743785721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16094510 + ... + 16877343.

It is an arithmetic number, because the mean of its divisors is an integer number (1737369416895).

Almost surely, 2^{12905743785701} is an apocalyptic number.

It is an amenable number.

12905743785701 is a deficient number, since it is larger than the sum of its proper divisors (993211549459).

12905743785701 is a wasteful number, since it uses less digits than its factorization.

12905743785701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33001975.

The product of its (nonzero) digits is 14817600, while the sum is 59.

The spelling of 12905743785701 in words is "twelve trillion, nine hundred five billion, seven hundred forty-three million, seven hundred eighty-five thousand, seven hundred one".