12312234042461 has 2 divisors, whose sum is σ = 12312234042462. Its totient is φ = 12312234042460.

The previous prime is 12312234042431. The next prime is 12312234042481. The reversal of 12312234042461 is 16424043221321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8301803251225 + 4010430791236 = 2881285^2 + 2002606^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12312234042461 is a prime.

It is a super-2 number, since 2×12312234042461² (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 (12312234042401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6156117021230 + 6156117021231.

It is an arithmetic number, because the mean of its divisors is an integer number (6156117021231).

Almost surely, 2^{12312234042461} is an apocalyptic number.

It is an amenable number.

12312234042461 is a deficient number, since it is larger than the sum of its proper divisors (1).

12312234042461 is an equidigital number, since it uses as much as digits as its factorization.

12312234042461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 35.

Adding to 12312234042461 its reverse (16424043221321), we get a palindrome (28736277263782).

The spelling of 12312234042461 in words is "twelve trillion, three hundred twelve billion, two hundred thirty-four million, forty-two thousand, four hundred sixty-one".