12417180428 has 24 divisors (see below), whose sum is σ = 22912409520. Its totient is φ = 5871882240.

The previous prime is 12417180383. The next prime is 12417180431. The reversal of 12417180428 is 82408171421.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 12417180391 and 12417180400.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92693 + ... + 182828.

It is an arithmetic number, because the mean of its divisors is an integer number (954683730).

Almost surely, 2^12417180428 is an apocalyptic number.

It is an amenable number.

12417180428 is a deficient number, since it is larger than the sum of its proper divisors (10495229092).

12417180428 is a wasteful number, since it uses less digits than its factorization.

12417180428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276137 (or 276135 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 38.

The spelling of 12417180428 in words is "twelve billion, four hundred seventeen million, one hundred eighty thousand, four hundred twenty-eight".