1312421424224 has 12 divisors (see below), whose sum is σ = 2583829679004. Its totient is φ = 656210712096.

The previous prime is 1312421424217. The next prime is 1312421424229. The reversal of 1312421424224 is 4224241242131.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 41013169507 = 1312421424224 / (1 + 3 + 1 + 2 + 4 + 2 + 1 + 4 + 2 + 4 + 2 + 2 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312421424229) by changing a digit.

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 as a sum of consecutive naturals, namely, 20506584722 + ... + 20506584785.

It is an arithmetic number, because the mean of its divisors is an integer number (215319139917).

Almost surely, 2^{1312421424224} is an apocalyptic number.

It is an amenable number.

1312421424224 is a deficient number, since it is larger than the sum of its proper divisors (1271408254780).

1312421424224 is an equidigital number, since it uses as much as digits as its factorization.

1312421424224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41013169517 (or 41013169509 counting only the distinct ones).

The product of its digits is 24576, while the sum is 32.

Adding to 1312421424224 its reverse (4224241242131), we get a palindrome (5536662666355).

The spelling of 1312421424224 in words is "one trillion, three hundred twelve billion, four hundred twenty-one million, four hundred twenty-four thousand, two hundred twenty-four".