12017630121 has 8 divisors (see below), whose sum is σ = 18312579264. Its totient is φ = 6867217200.

The previous prime is 12017630077. The next prime is 12017630147. The reversal of 12017630121 is 12103671021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12017630121 - 2⁶ = 12017630057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12017630091 and 12017630100.

It is not an unprimeable number, because it can be changed into a prime (12017630161) 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 7 ways as a sum of consecutive naturals, for example, 286134030 + ... + 286134071.

It is an arithmetic number, because the mean of its divisors is an integer number (2289072408).

Almost surely, 2^12017630121 is an apocalyptic number.

It is an amenable number.

12017630121 is a deficient number, since it is larger than the sum of its proper divisors (6294949143).

12017630121 is an equidigital number, since it uses as much as digits as its factorization.

12017630121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572268111.

The product of its (nonzero) digits is 504, while the sum is 24.

The spelling of 12017630121 in words is "twelve billion, seventeen million, six hundred thirty thousand, one hundred twenty-one".