12049531514 has 4 divisors (see below), whose sum is σ = 18074297274. Its totient is φ = 6024765756.

The previous prime is 12049531513. The next prime is 12049531553. The reversal of 12049531514 is 41513594021.

12049531514 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11595628489 + 453903025 = 107683^2 + 21305^2 .

It is not an unprimeable number, because it can be changed into a prime (12049531513) 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, 3012382877 + ... + 3012382880.

Almost surely, 2^12049531514 is an apocalyptic number.

12049531514 is a deficient number, since it is larger than the sum of its proper divisors (6024765760).

12049531514 is an equidigital number, since it uses as much as digits as its factorization.

12049531514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6024765759.

The product of its (nonzero) digits is 21600, while the sum is 35.

The spelling of 12049531514 in words is "twelve billion, forty-nine million, five hundred thirty-one thousand, five hundred fourteen".