4012685894081 has 2 divisors, whose sum is σ = 4012685894082. Its totient is φ = 4012685894080.

The previous prime is 4012685894069. The next prime is 4012685894153. The reversal of 4012685894081 is 1804985862104.

4012685894081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2360574125056 + 1652111769025 = 1536416^2 + 1285345^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4012685894081 is a prime.

It is a super-2 number, since 2×4012685894081² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4012685894011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2006342947040 + 2006342947041.

It is an arithmetic number, because the mean of its divisors is an integer number (2006342947041).

Almost surely, 2^{4012685894081} is an apocalyptic number.

It is an amenable number.

4012685894081 is a deficient number, since it is larger than the sum of its proper divisors (1).

4012685894081 is an equidigital number, since it uses as much as digits as its factorization.

4012685894081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4423680, while the sum is 56.

The spelling of 4012685894081 in words is "four trillion, twelve billion, six hundred eighty-five million, eight hundred ninety-four thousand, eighty-one".