12071523044639 has 2 divisors, whose sum is σ = 12071523044640. Its totient is φ = 12071523044638.

The previous prime is 12071523044627. The next prime is 12071523044741. The reversal of 12071523044639 is 93644032517021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12071523044639 - 2²⁴ = 12071506267423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12071523044593 and 12071523044602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12071523044939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6035761522319 + 6035761522320.

It is an arithmetic number, because the mean of its divisors is an integer number (6035761522320).

Almost surely, 2^{12071523044639} is an apocalyptic number.

12071523044639 is a deficient number, since it is larger than the sum of its proper divisors (1).

12071523044639 is an equidigital number, since it uses as much as digits as its factorization.

12071523044639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1088640, while the sum is 47.

The spelling of 12071523044639 in words is "twelve trillion, seventy-one billion, five hundred twenty-three million, forty-four thousand, six hundred thirty-nine".