1212340246171 has 2 divisors, whose sum is σ = 1212340246172. Its totient is φ = 1212340246170.

The previous prime is 1212340246069. The next prime is 1212340246211. The reversal of 1212340246171 is 1716420432121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1212340246171 - 2⁹ = 1212340245659 is a prime.

It is a super-2 number, since 2×1212340246171² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1212340226171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606170123085 + 606170123086.

It is an arithmetic number, because the mean of its divisors is an integer number (606170123086).

Almost surely, 2^{1212340246171} is an apocalyptic number.

1212340246171 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212340246171 is an equidigital number, since it uses as much as digits as its factorization.

1212340246171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 34.

Adding to 1212340246171 its reverse (1716420432121), we get a palindrome (2928760678292).

The spelling of 1212340246171 in words is "one trillion, two hundred twelve billion, three hundred forty million, two hundred forty-six thousand, one hundred seventy-one".