12170907642 has 8 divisors (see below), whose sum is σ = 24341815296. Its totient is φ = 4056969212.

The previous prime is 12170907641. The next prime is 12170907643. The reversal of 12170907642 is 24670907121.

It is an interprime number because it is at equal distance from previous prime (12170907641) and next prime (12170907643).

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

12170907642 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 12170907642.

It is not an unprimeable number, because it can be changed into a prime (12170907641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1014242298 + ... + 1014242309.

It is an arithmetic number, because the mean of its divisors is an integer number (3042726912).

Almost surely, 2^12170907642 is an apocalyptic number.

12170907642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12170907642 is a wasteful number, since it uses less digits than its factorization.

12170907642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2028484612.

The product of its (nonzero) digits is 42336, while the sum is 39.

The spelling of 12170907642 in words is "twelve billion, one hundred seventy million, nine hundred seven thousand, six hundred forty-two".