12417621772 has 12 divisors (see below), whose sum is σ = 21731630536. Its totient is φ = 6208584480.

The previous prime is 12417621767. The next prime is 12417621781. The reversal of 12417621772 is 27712671421.

12417621772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153247 + ... + 219817.

Almost surely, 2^12417621772 is an apocalyptic number.

It is an amenable number.

12417621772 is a deficient number, since it is larger than the sum of its proper divisors (9314008764).

12417621772 is a wasteful number, since it uses less digits than its factorization.

12417621772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113208 (or 113206 counting only the distinct ones).

The product of its digits is 65856, while the sum is 40.

The spelling of 12417621772 in words is "twelve billion, four hundred seventeen million, six hundred twenty-one thousand, seven hundred seventy-two".