12142332 has 24 divisors (see below), whose sum is σ = 31480400. Its totient is φ = 4047408.

The previous prime is 12142331. The next prime is 12142337. The reversal of 12142332 is 23324121.

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 (12142331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56107 + ... + 56322.

Almost surely, 2^12142332 is an apocalyptic number.

12142332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12142332 is an abundant number, since it is smaller than the sum of its proper divisors (19338068).

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

12142332 is a wasteful number, since it uses less digits than its factorization.

12142332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112442 (or 112434 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 12142332 is about 3484.5849107175. The cubic root of 12142332 is about 229.8444569007.

Adding to 12142332 its reverse (23324121), we get a palindrome (35466453).

The spelling of 12142332 in words is "twelve million, one hundred forty-two thousand, three hundred thirty-two".