12023513661629 has 2 divisors, whose sum is σ = 12023513661630. Its totient is φ = 12023513661628.

The previous prime is 12023513661613. The next prime is 12023513661647. The reversal of 12023513661629 is 92616631532021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11961927794404 + 61585867225 = 3458602^2 + 248165^2 .

It is a cyclic number.

It is not a de Polignac number, because 12023513661629 - 2⁴ = 12023513661613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12023513661829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6011756830814 + 6011756830815.

It is an arithmetic number, because the mean of its divisors is an integer number (6011756830815).

Almost surely, 2^{12023513661629} is an apocalyptic number.

It is an amenable number.

12023513661629 is a deficient number, since it is larger than the sum of its proper divisors (1).

12023513661629 is an equidigital number, since it uses as much as digits as its factorization.

12023513661629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 699840, while the sum is 47.

The spelling of 12023513661629 in words is "twelve trillion, twenty-three billion, five hundred thirteen million, six hundred sixty-one thousand, six hundred twenty-nine".