12046242451517 has 2 divisors, whose sum is σ = 12046242451518. Its totient is φ = 12046242451516.

The previous prime is 12046242451429. The next prime is 12046242451559. The reversal of 12046242451517 is 71515424264021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9994570093561 + 2051672357956 = 3161419^2 + 1432366^2 .

It is a cyclic number.

It is not a de Polignac number, because 12046242451517 - 2²⁰ = 12046241402941 is a prime.

It is a super-2 number, since 2×12046242451517² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12046242451577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6023121225758 + 6023121225759.

It is an arithmetic number, because the mean of its divisors is an integer number (6023121225759).

Almost surely, 2^{12046242451517} is an apocalyptic number.

It is an amenable number.

12046242451517 is a deficient number, since it is larger than the sum of its proper divisors (1).

12046242451517 is an equidigital number, since it uses as much as digits as its factorization.

12046242451517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 537600, while the sum is 44.

The spelling of 12046242451517 in words is "twelve trillion, forty-six billion, two hundred forty-two million, four hundred fifty-one thousand, five hundred seventeen".