122895112345 has 4 divisors (see below), whose sum is σ = 147474134820. Its totient is φ = 98316089872.

The previous prime is 122895112339. The next prime is 122895112381. The reversal of 122895112345 is 543211598221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 61899449616 + 60995662729 = 248796^2 + 246973^2 .

It is a cyclic number.

It is not a de Polignac number, because 122895112345 - 2³¹ = 120747628697 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 12289511230 + ... + 12289511239.

It is an arithmetic number, because the mean of its divisors is an integer number (36868533705).

Almost surely, 2^122895112345 is an apocalyptic number.

It is an amenable number.

122895112345 is a deficient number, since it is larger than the sum of its proper divisors (24579022475).

122895112345 is an equidigital number, since it uses as much as digits as its factorization.

122895112345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24579022474.

The product of its digits is 172800, while the sum is 43.

The spelling of 122895112345 in words is "one hundred twenty-two billion, eight hundred ninety-five million, one hundred twelve thousand, three hundred forty-five".