1211344334322 has 16 divisors (see below), whose sum is σ = 2449909890720. Its totient is φ = 399244574432.

The previous prime is 1211344334243. The next prime is 1211344334363. The reversal of 1211344334322 is 2234334431121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1134217008 + ... + 1134218075.

It is an arithmetic number, because the mean of its divisors is an integer number (153119368170).

Almost surely, 2^{1211344334322} is an apocalyptic number.

1211344334322 is an abundant number, since it is smaller than the sum of its proper divisors (1238565556398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1211344334322 is a wasteful number, since it uses less digits than its factorization.

1211344334322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2268435177.

The product of its digits is 41472, while the sum is 33.

Adding to 1211344334322 its reverse (2234334431121), we get a palindrome (3445678765443).

The spelling of 1211344334322 in words is "one trillion, two hundred eleven billion, three hundred forty-four million, three hundred thirty-four thousand, three hundred twenty-two".