1042212322117 has 2 divisors, whose sum is σ = 1042212322118. Its totient is φ = 1042212322116.

The previous prime is 1042212322091. The next prime is 1042212322121. The reversal of 1042212322117 is 7112232122401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 639614458081 + 402597864036 = 799759^2 + 634506^2 .

It is a cyclic number.

It is not a de Polignac number, because 1042212322117 - 2⁷ = 1042212321989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042212322127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521106161058 + 521106161059.

It is an arithmetic number, because the mean of its divisors is an integer number (521106161059).

Almost surely, 2^{1042212322117} is an apocalyptic number.

It is an amenable number.

1042212322117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042212322117 is an equidigital number, since it uses as much as digits as its factorization.

1042212322117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 28.

Adding to 1042212322117 its reverse (7112232122401), we get a palindrome (8154444444518).

The spelling of 1042212322117 in words is "one trillion, forty-two billion, two hundred twelve million, three hundred twenty-two thousand, one hundred seventeen".