123102102412 has 24 divisors (see below), whose sum is σ = 215962706960. Its totient is φ = 61398630720.

The previous prime is 123102102377. The next prime is 123102102451. The reversal of 123102102412 is 214201201321.

It is a self number, because there is not a number n which added to its sum of digits gives 123102102412.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3244978 + ... + 3282694.

Almost surely, 2^123102102412 is an apocalyptic number.

It is an amenable number.

123102102412 is a deficient number, since it is larger than the sum of its proper divisors (92860604548).

123102102412 is a wasteful number, since it uses less digits than its factorization.

123102102412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39721 (or 39719 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 123102102412 its reverse (214201201321), we get a palindrome (337303303733).

The spelling of 123102102412 in words is "one hundred twenty-three billion, one hundred two million, one hundred two thousand, four hundred twelve".