1211302122322 has 8 divisors (see below), whose sum is σ = 1816957854972. Its totient is φ = 605649504000.

The previous prime is 1211302122311. The next prime is 1211302122343. The reversal of 1211302122322 is 2232212031121.

It can be written as a sum of positive squares in 2 ways, for example, as 1178937752521 + 32364369801 = 1085789^2 + 179901^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1211302122293 and 1211302122302.

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, 1109922 + ... + 1911682.

Almost surely, 2^{1211302122322} is an apocalyptic number.

1211302122322 is a deficient number, since it is larger than the sum of its proper divisors (605655732650).

1211302122322 is an equidigital number, since it uses as much as digits as its factorization.

1211302122322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557164.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1211302122322 its reverse (2232212031121), we get a palindrome (3443514153443).

The spelling of 1211302122322 in words is "one trillion, two hundred eleven billion, three hundred two million, one hundred twenty-two thousand, three hundred twenty-two".