12500245535045 has 16 divisors (see below), whose sum is σ = 15944465195568. Its totient is φ = 9375327191040.

The previous prime is 12500245535033. The next prime is 12500245535083. The reversal of 12500245535045 is 54053554200521.

It can be written as a sum of positive squares in 8 ways, for example, as 1209610631329 + 11290634903716 = 1099823^2 + 3360154^2 .

It is not a de Polignac number, because 12500245535045 - 2¹⁸ = 12500245272901 is a prime.

It is a super-2 number, since 2×12500245535045² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12500245534993 and 12500245535011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286090436 + ... + 286134125.

It is an arithmetic number, because the mean of its divisors is an integer number (996529074723).

Almost surely, 2^{12500245535045} is an apocalyptic number.

It is an amenable number.

12500245535045 is a deficient number, since it is larger than the sum of its proper divisors (3444219660523).

12500245535045 is a wasteful number, since it uses less digits than its factorization.

12500245535045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572224840.

The product of its (nonzero) digits is 600000, while the sum is 41.

Adding to 12500245535045 its reverse (54053554200521), we get a palindrome (66553799735566).

The spelling of 12500245535045 in words is "twelve trillion, five hundred billion, two hundred forty-five million, five hundred thirty-five thousand, forty-five".