12144134343412 has 6 divisors (see below), whose sum is σ = 21252235100978. Its totient is φ = 6072067171704.

The previous prime is 12144134343347. The next prime is 12144134343413. The reversal of 12144134343412 is 21434343144121.

It can be written as a sum of positive squares in only one way, i.e., 10290468431376 + 1853665912036 = 3207876^2 + 1361494^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12144134343413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1518016792923 + ... + 1518016792930.

Almost surely, 2^{12144134343412} is an apocalyptic number.

It is an amenable number.

12144134343412 is a deficient number, since it is larger than the sum of its proper divisors (9108100757566).

12144134343412 is a wasteful number, since it uses less digits than its factorization.

12144134343412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3036033585857 (or 3036033585855 counting only the distinct ones).

The product of its digits is 110592, while the sum is 37.

Adding to 12144134343412 its reverse (21434343144121), we get a palindrome (33578477487533).

The spelling of 12144134343412 in words is "twelve trillion, one hundred forty-four billion, one hundred thirty-four million, three hundred forty-three thousand, four hundred twelve".