123241212 has 18 divisors (see below), whose sum is σ = 311526488. Its totient is φ = 41080392.

The previous prime is 123241189. The next prime is 123241219. The reversal of 123241212 is 212142321.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123241219) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1711648 + ... + 1711719.

Almost surely, 2^123241212 is an apocalyptic number.

123241212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123241212 is an abundant number, since it is smaller than the sum of its proper divisors (188285276).

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

123241212 is a wasteful number, since it uses less digits than its factorization.

123241212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3423377 (or 3423372 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 123241212 is about 11101.4058569174. The cubic root of 123241212 is about 497.6438640195.

Adding to 123241212 its reverse (212142321), we get a palindrome (335383533).

The spelling of 123241212 in words is "one hundred twenty-three million, two hundred forty-one thousand, two hundred twelve".