1210401200017 has 2 divisors, whose sum is σ = 1210401200018. Its totient is φ = 1210401200016.

The previous prime is 1210401200011. The next prime is 1210401200077. The reversal of 1210401200017 is 7100021040121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1097279295121 + 113121904896 = 1047511^2 + 336336^2 .

It is a cyclic number.

It is not a de Polignac number, because 1210401200017 - 2¹¹ = 1210401197969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1210401199967 and 1210401200003.

It is not a weakly prime, because it can be changed into another prime (1210401200011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605200600008 + 605200600009.

It is an arithmetic number, because the mean of its divisors is an integer number (605200600009).

Almost surely, 2^{1210401200017} is an apocalyptic number.

It is an amenable number.

1210401200017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210401200017 is an equidigital number, since it uses as much as digits as its factorization.

1210401200017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 19.

Adding to 1210401200017 its reverse (7100021040121), we get a palindrome (8310422240138).

The spelling of 1210401200017 in words is "one trillion, two hundred ten billion, four hundred one million, two hundred thousand, seventeen".