12499895644073 has 2 divisors, whose sum is σ = 12499895644074. Its totient is φ = 12499895644072.

The previous prime is 12499895643941. The next prime is 12499895644079. The reversal of 12499895644073 is 37044659899421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10799458780009 + 1700436864064 = 3286253^2 + 1304008^2 .

It is a cyclic number.

It is not a de Polignac number, because 12499895644073 - 2²⁴ = 12499878866857 is a prime.

It is a super-2 number, since 2×12499895644073² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12499895643988 and 12499895644006.

It is not a weakly prime, because it can be changed into another prime (12499895644079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6249947822036 + 6249947822037.

It is an arithmetic number, because the mean of its divisors is an integer number (6249947822037).

It is a 1-persistent number, because it is pandigital, but 2⋅12499895644073 = 24999791288146 is not.

Almost surely, 2^{12499895644073} is an apocalyptic number.

It is an amenable number.

12499895644073 is a deficient number, since it is larger than the sum of its proper divisors (1).

12499895644073 is an equidigital number, since it uses as much as digits as its factorization.

12499895644073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 470292480, while the sum is 71.

The spelling of 12499895644073 in words is "twelve trillion, four hundred ninety-nine billion, eight hundred ninety-five million, six hundred forty-four thousand, seventy-three".