123110206216 has 16 divisors (see below), whose sum is σ = 233425251900. Its totient is φ = 60863472384.

The previous prime is 123110206211. The next prime is 123110206231. The reversal of 123110206216 is 612602011321.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 122882498116 + 227708100 = 350546^2 + 15090^2 .

It is a super-2 number, since 2×123110206216² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123110206211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86453085 + ... + 86454508.

Almost surely, 2^123110206216 is an apocalyptic number.

It is an amenable number.

123110206216 is a deficient number, since it is larger than the sum of its proper divisors (110315045684).

123110206216 is a wasteful number, since it uses less digits than its factorization.

123110206216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172907688 (or 172907684 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 123110206216 its reverse (612602011321), we get a palindrome (735712217537).

The spelling of 123110206216 in words is "one hundred twenty-three billion, one hundred ten million, two hundred six thousand, two hundred sixteen".