1122212223232 has 18 divisors (see below), whose sum is σ = 2240040805478. Its totient is φ = 561106111488.

The previous prime is 1122212223229. The next prime is 1122212223233. The reversal of 1122212223232 is 2323222122211.

It can be written as a sum of positive squares in only one way, i.e., 1098169860096 + 24042363136 = 1047936^2 + 155056^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1122212223197 and 1122212223206.

It is not an unprimeable number, because it can be changed into a prime (1122212223233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2191820493 + ... + 2191821004.

Almost surely, 2^{1122212223232} is an apocalyptic number.

It is an amenable number.

1122212223232 is a deficient number, since it is larger than the sum of its proper divisors (1117828582246).

1122212223232 is an frugal number, since it uses more digits than its factorization.

1122212223232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4383641513 (or 4383641499 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

Adding to 1122212223232 its reverse (2323222122211), we get a palindrome (3445434345443).

The spelling of 1122212223232 in words is "one trillion, one hundred twenty-two billion, two hundred twelve million, two hundred twenty-three thousand, two hundred thirty-two".