123412412 has 18 divisors (see below), whose sum is σ = 220680432. Its totient is φ = 60388984.

The previous prime is 123412403. The next prime is 123412417. The reversal of 123412412 is 214214321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123412417) 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, 1853 + ... + 15819.

It is an arithmetic number, because the mean of its divisors is an integer number (12260024).

Almost surely, 2^123412412 is an apocalyptic number.

It is an amenable number.

123412412 is a deficient number, since it is larger than the sum of its proper divisors (97268020).

123412412 is a wasteful number, since it uses less digits than its factorization.

123412412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14065 (or 14016 counting only the distinct ones).

The product of its digits is 384, while the sum is 20.

The square root of 123412412 is about 11109.1139160601. The cubic root of 123412412 is about 497.8741906784.

Adding to 123412412 its reverse (214214321), we get a palindrome (337626733).

The spelling of 123412412 in words is "one hundred twenty-three million, four hundred twelve thousand, four hundred twelve".