12502545852849 has 64 divisors (see below), whose sum is σ = 19059686601984. Its totient is φ = 7221777924096.

The previous prime is 12502545852833. The next prime is 12502545852851. The reversal of 12502545852849 is 94825854520521.

It is not a de Polignac number, because 12502545852849 - 2⁴ = 12502545852833 is a prime.

It is a super-2 number, since 2×12502545852849² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12502545852792 and 12502545852801.

It is not an unprimeable number, because it can be changed into a prime (12502545850849) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 425777842 + ... + 425807204.

It is an arithmetic number, because the mean of its divisors is an integer number (297807603156).

Almost surely, 2^{12502545852849} is an apocalyptic number.

It is an amenable number.

12502545852849 is a deficient number, since it is larger than the sum of its proper divisors (6557140749135).

12502545852849 is a wasteful number, since it uses less digits than its factorization.

12502545852849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31106.

The product of its (nonzero) digits is 46080000, while the sum is 60.

The spelling of 12502545852849 in words is "twelve trillion, five hundred two billion, five hundred forty-five million, eight hundred fifty-two thousand, eight hundred forty-nine".