12012537815407 has 2 divisors, whose sum is σ = 12012537815408. Its totient is φ = 12012537815406.

The previous prime is 12012537815401. The next prime is 12012537815423. The reversal of 12012537815407 is 70451873521021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12012537815407 - 2¹¹ = 12012537813359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12012537815401) 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, 6006268907703 + 6006268907704.

It is an arithmetic number, because the mean of its divisors is an integer number (6006268907704).

Almost surely, 2^{12012537815407} is an apocalyptic number.

12012537815407 is a deficient number, since it is larger than the sum of its proper divisors (1).

12012537815407 is an equidigital number, since it uses as much as digits as its factorization.

12012537815407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 470400, while the sum is 46.

The spelling of 12012537815407 in words is "twelve trillion, twelve billion, five hundred thirty-seven million, eight hundred fifteen thousand, four hundred seven".