12406684213 has 64 divisors (see below), whose sum is σ = 16459200000. Its totient is φ = 9259353600.

The previous prime is 12406684211. The next prime is 12406684237. The reversal of 12406684213 is 31248660421.

It is not a de Polignac number, because 12406684213 - 2¹ = 12406684211 is a prime.

It is a super-2 number, since 2×12406684213² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12406684211) 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, 16302753 + ... + 16303513.

It is an arithmetic number, because the mean of its divisors is an integer number (257175000).

Almost surely, 2^12406684213 is an apocalyptic number.

It is an amenable number.

12406684213 is a deficient number, since it is larger than the sum of its proper divisors (4052515787).

12406684213 is a wasteful number, since it uses less digits than its factorization.

12406684213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971 (or 957 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The spelling of 12406684213 in words is "twelve billion, four hundred six million, six hundred eighty-four thousand, two hundred thirteen".