1121222230312 has 16 divisors (see below), whose sum is σ = 2174784498900. Its totient is φ = 541279697280.

The previous prime is 1121222230291. The next prime is 1121222230321. The reversal of 1121222230312 is 2130322221211.

It can be written as a sum of positive squares in 2 ways, for example, as 1120816046596 + 406183716 = 1058686^2 + 20154^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2416426989 + ... + 2416427452.

Almost surely, 2^{1121222230312} is an apocalyptic number.

It is an amenable number.

1121222230312 is a deficient number, since it is larger than the sum of its proper divisors (1053562268588).

1121222230312 is a wasteful number, since it uses less digits than its factorization.

1121222230312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4832854476 (or 4832854472 counting only the distinct ones).

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

Adding to 1121222230312 its reverse (2130322221211), we get a palindrome (3251544451523).

The spelling of 1121222230312 in words is "one trillion, one hundred twenty-one billion, two hundred twenty-two million, two hundred thirty thousand, three hundred twelve".