12451202273 has 2 divisors, whose sum is σ = 12451202274. Its totient is φ = 12451202272.

The previous prime is 12451202251. The next prime is 12451202299. The reversal of 12451202273 is 37220215421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12346098769 + 105103504 = 111113^2 + 10252^2 .

It is an emirp because it is prime and its reverse (37220215421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12451202273 - 2⁸ = 12451202017 is a prime.

It is not a weakly prime, because it can be changed into another prime (12451202233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6225601136 + 6225601137.

It is an arithmetic number, because the mean of its divisors is an integer number (6225601137).

Almost surely, 2^12451202273 is an apocalyptic number.

It is an amenable number.

12451202273 is a deficient number, since it is larger than the sum of its proper divisors (1).

12451202273 is an equidigital number, since it uses as much as digits as its factorization.

12451202273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 29.

Adding to 12451202273 its reverse (37220215421), we get a palindrome (49671417694).

The spelling of 12451202273 in words is "twelve billion, four hundred fifty-one million, two hundred two thousand, two hundred seventy-three".