12040304357 has 2 divisors, whose sum is σ = 12040304358. Its totient is φ = 12040304356.

The previous prime is 12040304333. The next prime is 12040304407. The reversal of 12040304357 is 75340304021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9075610756 + 2964693601 = 95266^2 + 54449^2 .

It is a cyclic number.

It is not a de Polignac number, because 12040304357 - 2¹⁰ = 12040303333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12040304317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6020152178 + 6020152179.

It is an arithmetic number, because the mean of its divisors is an integer number (6020152179).

Almost surely, 2^12040304357 is an apocalyptic number.

It is an amenable number.

12040304357 is a deficient number, since it is larger than the sum of its proper divisors (1).

12040304357 is an equidigital number, since it uses as much as digits as its factorization.

12040304357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 29.

Adding to 12040304357 its reverse (75340304021), we get a palindrome (87380608378).

The spelling of 12040304357 in words is "twelve billion, forty million, three hundred four thousand, three hundred fifty-seven".