123434212 has 48 divisors (see below), whose sum is σ = 250810560. Its totient is φ = 52713600.

The previous prime is 123434177. The next prime is 123434243. The reversal of 123434212 is 212434321.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

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, 215887 + ... + 216457.

It is an arithmetic number, because the mean of its divisors is an integer number (5225220).

Almost surely, 2^123434212 is an apocalyptic number.

It is an amenable number.

123434212 is an abundant number, since it is smaller than the sum of its proper divisors (127376348).

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

123434212 is a wasteful number, since it uses less digits than its factorization.

123434212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637 (or 601 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

The square root of 123434212 is about 11110.0950490984. The cubic root of 123434212 is about 497.9035043651.

Adding to 123434212 its reverse (212434321), we get a palindrome (335868533).

The spelling of 123434212 in words is "one hundred twenty-three million, four hundred thirty-four thousand, two hundred twelve".