1212140112244 has 12 divisors (see below), whose sum is σ = 2124047375044. Its totient is φ = 605269433664.

The previous prime is 1212140112217. The next prime is 1212140112263. The reversal of 1212140112244 is 4422110412121.

It can be written as a sum of positive squares in 2 ways, for example, as 1010853289744 + 201286822500 = 1005412^2 + 448650^2 .

It is a congruent number.

It is an unprimeable number.

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, 200152209 + ... + 200158264.

Almost surely, 2^{1212140112244} is an apocalyptic number.

It is an amenable number.

1212140112244 is a deficient number, since it is larger than the sum of its proper divisors (911907262800).

1212140112244 is a wasteful number, since it uses less digits than its factorization.

1212140112244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400311234 (or 400311232 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

Adding to 1212140112244 its reverse (4422110412121), we get a palindrome (5634250524365).

The spelling of 1212140112244 in words is "one trillion, two hundred twelve billion, one hundred forty million, one hundred twelve thousand, two hundred forty-four".