1312300222202 has 4 divisors (see below), whose sum is σ = 1968450333306. Its totient is φ = 656150111100.

The previous prime is 1312300222187. The next prime is 1312300222237. The reversal of 1312300222202 is 2022220032131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1144217441761 + 168082780441 = 1069681^2 + 409979^2 .

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 as a sum of consecutive naturals, namely, 328075055549 + ... + 328075055552.

Almost surely, 2^{1312300222202} is an apocalyptic number.

1312300222202 is a deficient number, since it is larger than the sum of its proper divisors (656150111104).

1312300222202 is an equidigital number, since it uses as much as digits as its factorization.

1312300222202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656150111103.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1312300222202 its reverse (2022220032131), we get a palindrome (3334520254333).

The spelling of 1312300222202 in words is "one trillion, three hundred twelve billion, three hundred million, two hundred twenty-two thousand, two hundred two".