1122212142443 has 32 divisors (see below), whose sum is σ = 1321581330432. Its totient is φ = 932925924000.

The previous prime is 1122212142431. The next prime is 1122212142539. The reversal of 1122212142443 is 3442412122211.

It is not a de Polignac number, because 1122212142443 - 2¹⁶ = 1122212076907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122212142743) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 199572530 + ... + 199578152.

It is an arithmetic number, because the mean of its divisors is an integer number (41299416576).

Almost surely, 2^{1122212142443} is an apocalyptic number.

1122212142443 is a deficient number, since it is larger than the sum of its proper divisors (199369187989).

1122212142443 is a wasteful number, since it uses less digits than its factorization.

1122212142443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10215.

The product of its digits is 6144, while the sum is 29.

Adding to 1122212142443 its reverse (3442412122211), we get a palindrome (4564624264654).

The spelling of 1122212142443 in words is "one trillion, one hundred twenty-two billion, two hundred twelve million, one hundred forty-two thousand, four hundred forty-three".