12872447033 has 2 divisors, whose sum is σ = 12872447034. Its totient is φ = 12872447032.

The previous prime is 12872447017. The next prime is 12872447051. The reversal of 12872447033 is 33074427821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12434926144 + 437520889 = 111512^2 + 20917^2 .

It is a cyclic number.

It is not a de Polignac number, because 12872447033 - 2⁴ = 12872447017 is a prime.

It is not a weakly prime, because it can be changed into another prime (12872447083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6436223516 + 6436223517.

It is an arithmetic number, because the mean of its divisors is an integer number (6436223517).

Almost surely, 2^12872447033 is an apocalyptic number.

It is an amenable number.

12872447033 is a deficient number, since it is larger than the sum of its proper divisors (1).

12872447033 is an equidigital number, since it uses as much as digits as its factorization.

12872447033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 225792, while the sum is 41.

The spelling of 12872447033 in words is "twelve billion, eight hundred seventy-two million, four hundred forty-seven thousand, thirty-three".