12011412 has 24 divisors (see below), whose sum is σ = 32030656. Its totient is φ = 3431808.

The previous prime is 12011411. The next prime is 12011459. The reversal of 12011412 is 21411021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71413 + ... + 71580.

Almost surely, 2^12011412 is an apocalyptic number.

12011412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12011412 is an abundant number, since it is smaller than the sum of its proper divisors (20019244).

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

12011412 is a wasteful number, since it uses less digits than its factorization.

12011412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143007 (or 143005 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 12011412 is about 3465.7484040247. The cubic root of 12011412 is about 229.0154003996.

Adding to 12011412 its reverse (21411021), we get a palindrome (33422433).

The spelling of 12011412 in words is "twelve million, eleven thousand, four hundred twelve".