123100434212 has 48 divisors (see below), whose sum is σ = 248039981952. Its totient is φ = 52364482560.

The previous prime is 123100434209. The next prime is 123100434251. The reversal of 123100434212 is 212434001321.

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 15 ways as a sum of consecutive naturals, for example, 2368262 + ... + 2419682.

It is an arithmetic number, because the mean of its divisors is an integer number (5167499624).

Almost surely, 2^123100434212 is an apocalyptic number.

It is an amenable number.

123100434212 is an abundant number, since it is smaller than the sum of its proper divisors (124939547740).

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

123100434212 is a wasteful number, since it uses less digits than its factorization.

123100434212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52068 (or 52066 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 123100434212 its reverse (212434001321), we get a palindrome (335534435533).

The spelling of 123100434212 in words is "one hundred twenty-three billion, one hundred million, four hundred thirty-four thousand, two hundred twelve".