12701921841 has 48 divisors (see below), whose sum is σ = 22533174144. Its totient is φ = 6729288192.

The previous prime is 12701921821. The next prime is 12701921851. The reversal of 12701921841 is 14812910721.

It is not a de Polignac number, because 12701921841 - 2¹¹ = 12701919793 is a prime.

It is a super-2 number, since 2×12701921841² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12701921796 and 12701921805.

It is not an unprimeable number, because it can be changed into a prime (12701921821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16750 + ... + 160263.

It is an arithmetic number, because the mean of its divisors is an integer number (469441128).

Almost surely, 2^12701921841 is an apocalyptic number.

It is an amenable number.

12701921841 is a deficient number, since it is larger than the sum of its proper divisors (9831252303).

12701921841 is a wasteful number, since it uses less digits than its factorization.

12701921841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177110 (or 177107 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 36.

The spelling of 12701921841 in words is "twelve billion, seven hundred one million, nine hundred twenty-one thousand, eight hundred forty-one".