123100102212 has 24 divisors (see below), whose sum is σ = 302351128800. Its totient is φ = 38873716416.

The previous prime is 123100102207. The next prime is 123100102241. The reversal of 123100102212 is 212201001321.

It is a junction number, because it is equal to n+sod(n) for n = 123100102191 and 123100102200.

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 7 ways as a sum of consecutive naturals, for example, 269956137 + ... + 269956592.

It is an arithmetic number, because the mean of its divisors is an integer number (12597963700).

Almost surely, 2^123100102212 is an apocalyptic number.

123100102212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123100102212 is an abundant number, since it is smaller than the sum of its proper divisors (179251026588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123100102212 is a wasteful number, since it uses less digits than its factorization.

123100102212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539912755 (or 539912753 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 123100102212 its reverse (212201001321), we get a palindrome (335301103533).

The spelling of 123100102212 in words is "one hundred twenty-three billion, one hundred million, one hundred two thousand, two hundred twelve".