1244211222412 has 24 divisors (see below), whose sum is σ = 2313318674016. Its totient is φ = 583512822528.

The previous prime is 1244211222407. The next prime is 1244211222431. The reversal of 1244211222412 is 2142221124421.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31204008 + ... + 31243855.

It is an arithmetic number, because the mean of its divisors is an integer number (96388278084).

Almost surely, 2^{1244211222412} is an apocalyptic number.

It is an amenable number.

1244211222412 is a deficient number, since it is larger than the sum of its proper divisors (1069107451604).

1244211222412 is a wasteful number, since it uses less digits than its factorization.

1244211222412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62448177 (or 62448175 counting only the distinct ones).

The product of its digits is 4096, while the sum is 28.

Adding to 1244211222412 its reverse (2142221124421), we get a palindrome (3386432346833).

The spelling of 1244211222412 in words is "one trillion, two hundred forty-four billion, two hundred eleven million, two hundred twenty-two thousand, four hundred twelve".