123610133212 has 12 divisors (see below), whose sum is σ = 223295724736. Its totient is φ = 59811354720.

The previous prime is 123610133203. The next prime is 123610133261. The reversal of 123610133212 is 212331016321.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 498427833 + ... + 498428080.

Almost surely, 2^123610133212 is an apocalyptic number.

It is an amenable number.

123610133212 is a deficient number, since it is larger than the sum of its proper divisors (99685591524).

123610133212 is a wasteful number, since it uses less digits than its factorization.

123610133212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996855948 (or 996855946 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 123610133212 its reverse (212331016321), we get a palindrome (335941149533).

The spelling of 123610133212 in words is "one hundred twenty-three billion, six hundred ten million, one hundred thirty-three thousand, two hundred twelve".