12572182849 has 2 divisors, whose sum is σ = 12572182850. Its totient is φ = 12572182848.

The previous prime is 12572182823. The next prime is 12572182867. The reversal of 12572182849 is 94828127521.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7778005249 + 4794177600 = 88193^2 + 69240^2 .

It is a cyclic number.

It is not a de Polignac number, because 12572182849 - 2¹¹ = 12572180801 is a prime.

It is not a weakly prime, because it can be changed into another prime (12572182549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6286091424 + 6286091425.

It is an arithmetic number, because the mean of its divisors is an integer number (6286091425).

Almost surely, 2^12572182849 is an apocalyptic number.

It is an amenable number.

12572182849 is a deficient number, since it is larger than the sum of its proper divisors (1).

12572182849 is an equidigital number, since it uses as much as digits as its factorization.

12572182849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 645120, while the sum is 49.

The spelling of 12572182849 in words is "twelve billion, five hundred seventy-two million, one hundred eighty-two thousand, eight hundred forty-nine".