123132412 has 12 divisors (see below), whose sum is σ = 232057336. Its totient is φ = 56830320.

The previous prime is 123132367. The next prime is 123132419. The reversal of 123132412 is 214231321.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 123132412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123132419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1183914 + ... + 1184017.

Almost surely, 2^123132412 is an apocalyptic number.

It is an amenable number.

123132412 is a deficient number, since it is larger than the sum of its proper divisors (108924924).

123132412 is a wasteful number, since it uses less digits than its factorization.

123132412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2367948 (or 2367946 counting only the distinct ones).

The product of its digits is 288, while the sum is 19.

The square root of 123132412 is about 11096.5044946596. The cubic root of 123132412 is about 497.4973773251.

Adding to 123132412 its reverse (214231321), we get a palindrome (337363733).

The spelling of 123132412 in words is "one hundred twenty-three million, one hundred thirty-two thousand, four hundred twelve".