20121314031244 has 12 divisors (see below), whose sum is σ = 35214697825384. Its totient is φ = 10059971795424.

The previous prime is 20121314031233. The next prime is 20121314031281. The reversal of 20121314031244 is 44213041312102.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171238977 + ... + 171356440.

Almost surely, 2^{20121314031244} is an apocalyptic number.

It is an amenable number.

20121314031244 is a deficient number, since it is larger than the sum of its proper divisors (15093383794140).

20121314031244 is a wasteful number, since it uses less digits than its factorization.

20121314031244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342610104 (or 342610102 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 20121314031244 its reverse (44213041312102), we get a palindrome (64334355343346).

The spelling of 20121314031244 in words is "twenty trillion, one hundred twenty-one billion, three hundred fourteen million, thirty-one thousand, two hundred forty-four".