1232222120 has 16 divisors (see below), whose sum is σ = 2772499860. Its totient is φ = 492888832.

The previous prime is 1232222081. The next prime is 1232222149. The reversal of 1232222120 is 212222321.

It can be written as a sum of positive squares in 2 ways, for example, as 1017482404 + 214739716 = 31898^2 + 14654^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15402737 + ... + 15402816.

Almost surely, 2^1232222120 is an apocalyptic number.

1232222120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1232222120 is an abundant number, since it is smaller than the sum of its proper divisors (1540277740).

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

1232222120 is a wasteful number, since it uses less digits than its factorization.

1232222120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30805564 (or 30805560 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1232222120 is about 35103.0215223704. The cubic root of 1232222120 is about 1072.0861040403.

Adding to 1232222120 its reverse (212222321), we get a palindrome (1444444441).

The spelling of 1232222120 in words is "one billion, two hundred thirty-two million, two hundred twenty-two thousand, one hundred twenty".