12402607217 has 48 divisors (see below), whose sum is σ = 17182714752. Its totient is φ = 8798388480.

The previous prime is 12402607199. The next prime is 12402607241. The reversal of 12402607217 is 71270620421.

It is not a de Polignac number, because 12402607217 - 2¹⁶ = 12402541681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12402657217) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 499388 + ... + 523634.

It is an arithmetic number, because the mean of its divisors is an integer number (357973224).

Almost surely, 2^12402607217 is an apocalyptic number.

It is an amenable number.

12402607217 is a deficient number, since it is larger than the sum of its proper divisors (4780107535).

12402607217 is a wasteful number, since it uses less digits than its factorization.

12402607217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24358 (or 24351 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 32.

The spelling of 12402607217 in words is "twelve billion, four hundred two million, six hundred seven thousand, two hundred seventeen".