7012842799861 has 2 divisors, whose sum is σ = 7012842799862. Its totient is φ = 7012842799860.

The previous prime is 7012842799841. The next prime is 7012842799867. The reversal of 7012842799861 is 1689972482107.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3958981698961 + 3053861100900 = 1989719^2 + 1747530^2 .

It is a cyclic number.

It is not a de Polignac number, because 7012842799861 - 2⁵ = 7012842799829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7012842799793 and 7012842799802.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7012842799867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3506421399930 + 3506421399931.

It is an arithmetic number, because the mean of its divisors is an integer number (3506421399931).

Almost surely, 2^{7012842799861} is an apocalyptic number.

It is an amenable number.

7012842799861 is a deficient number, since it is larger than the sum of its proper divisors (1).

7012842799861 is an equidigital number, since it uses as much as digits as its factorization.

7012842799861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24385536, while the sum is 64.

The spelling of 7012842799861 in words is "seven trillion, twelve billion, eight hundred forty-two million, seven hundred ninety-nine thousand, eight hundred sixty-one".