12122551097 has 8 divisors (see below), whose sum is σ = 13393714176. Its totient is φ = 10913396032.

The previous prime is 12122551079. The next prime is 12122551121. The reversal of 12122551097 is 79015522121.

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

It is a cyclic number.

It is not a de Polignac number, because 12122551097 - 2⁶ = 12122551033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12122551037) 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, 15501593 + ... + 15502374.

It is an arithmetic number, because the mean of its divisors is an integer number (1674214272).

Almost surely, 2^12122551097 is an apocalyptic number.

12122551097 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12122551097 is a deficient number, since it is larger than the sum of its proper divisors (1271163079).

12122551097 is a wasteful number, since it uses less digits than its factorization.

12122551097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31004007.

The product of its (nonzero) digits is 12600, while the sum is 35.

The spelling of 12122551097 in words is "twelve billion, one hundred twenty-two million, five hundred fifty-one thousand, ninety-seven".