12049456357 has 2 divisors, whose sum is σ = 12049456358. Its totient is φ = 12049456356.

The previous prime is 12049456327. The next prime is 12049456399. The reversal of 12049456357 is 75365494021.

It is a happy number.

12049456357 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10744151716 + 1305304641 = 103654^2 + 36129^2 .

It is a cyclic number.

It is not a de Polignac number, because 12049456357 - 2⁷ = 12049456229 is a prime.

It is a super-2 number, since 2×12049456357² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12049456327) 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, 6024728178 + 6024728179.

It is an arithmetic number, because the mean of its divisors is an integer number (6024728179).

Almost surely, 2^12049456357 is an apocalyptic number.

It is an amenable number.

12049456357 is a deficient number, since it is larger than the sum of its proper divisors (1).

12049456357 is an equidigital number, since it uses as much as digits as its factorization.

12049456357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 12049456357 in words is "twelve billion, forty-nine million, four hundred fifty-six thousand, three hundred fifty-seven".