12235144412 has 12 divisors (see below), whose sum is σ = 21417415320. Its totient is φ = 6115882896.

The previous prime is 12235144403. The next prime is 12235144417. The reversal of 12235144412 is 21444153221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12235144417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 405962 + ... + 435057.

It is an arithmetic number, because the mean of its divisors is an integer number (1784784610).

Almost surely, 2^12235144412 is an apocalyptic number.

It is an amenable number.

12235144412 is a deficient number, since it is larger than the sum of its proper divisors (9182270908).

12235144412 is a wasteful number, since it uses less digits than its factorization.

12235144412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844660 (or 844658 counting only the distinct ones).

The product of its digits is 7680, while the sum is 29.

Adding to 12235144412 its reverse (21444153221), we get a palindrome (33679297633).

The spelling of 12235144412 in words is "twelve billion, two hundred thirty-five million, one hundred forty-four thousand, four hundred twelve".