12140422 has 8 divisors (see below), whose sum is σ = 20812176. Its totient is φ = 5203032.

The previous prime is 12140419. The next prime is 12140441. The reversal of 12140422 is 22404121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12140396 and 12140405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 433573 + ... + 433600.

It is an arithmetic number, because the mean of its divisors is an integer number (2601522).

Almost surely, 2^12140422 is an apocalyptic number.

12140422 is a deficient number, since it is larger than the sum of its proper divisors (8671754).

12140422 is an equidigital number, since it uses as much as digits as its factorization.

12140422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867182.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 12140422 is about 3484.3108357321. The cubic root of 12140422 is about 229.8324046872.

Adding to 12140422 its reverse (22404121), we get a palindrome (34544543).

The spelling of 12140422 in words is "twelve million, one hundred forty thousand, four hundred twenty-two".