123210034212 has 48 divisors (see below), whose sum is σ = 289286065152. Its totient is φ = 40813570080.

The previous prime is 123210034159. The next prime is 123210034249. The reversal of 123210034212 is 212430012321.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13668787 + ... + 13677797.

It is an arithmetic number, because the mean of its divisors is an integer number (6026793024).

Almost surely, 2^123210034212 is an apocalyptic number.

123210034212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123210034212 is an abundant number, since it is smaller than the sum of its proper divisors (166076030940).

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

123210034212 is a wasteful number, since it uses less digits than its factorization.

123210034212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16008 (or 16006 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 123210034212 its reverse (212430012321), we get a palindrome (335640046533).

The spelling of 123210034212 in words is "one hundred twenty-three billion, two hundred ten million, thirty-four thousand, two hundred twelve".