12049531499 has 2 divisors, whose sum is σ = 12049531500. Its totient is φ = 12049531498.

The previous prime is 12049531471. The next prime is 12049531513. The reversal of 12049531499 is 99413594021.

12049531499 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12049531499 - 2¹⁶ = 12049465963 is a prime.

It is not a weakly prime, because it can be changed into another prime (12049531469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6024765749 + 6024765750.

It is an arithmetic number, because the mean of its divisors is an integer number (6024765750).

Almost surely, 2^12049531499 is an apocalyptic number.

12049531499 is a deficient number, since it is larger than the sum of its proper divisors (1).

12049531499 is an equidigital number, since it uses as much as digits as its factorization.

12049531499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 349920, while the sum is 47.

The spelling of 12049531499 in words is "twelve billion, forty-nine million, five hundred thirty-one thousand, four hundred ninety-nine".