12122017375 has 16 divisors (see below), whose sum is σ = 16291993536. Its totient is φ = 8951642400.

The previous prime is 12122017363. The next prime is 12122017387. The reversal of 12122017375 is 57371022121.

It is an interprime number because it is at equal distance from previous prime (12122017363) and next prime (12122017387).

It is not a de Polignac number, because 12122017375 - 2¹¹ = 12122015327 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3728227 + ... + 3731476.

It is an arithmetic number, because the mean of its divisors is an integer number (1018249596).

Almost surely, 2^12122017375 is an apocalyptic number.

12122017375 is a deficient number, since it is larger than the sum of its proper divisors (4169976161).

12122017375 is an equidigital number, since it uses as much as digits as its factorization.

12122017375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7459731 (or 7459721 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 31.

Adding to 12122017375 its reverse (57371022121), we get a palindrome (69493039496).

The spelling of 12122017375 in words is "twelve billion, one hundred twenty-two million, seventeen thousand, three hundred seventy-five".