1233213120 has 112 divisors (see below), whose sum is σ = 4350532320. Its totient is φ = 328854528.

The previous prime is 1233213101. The next prime is 1233213151. The reversal of 1233213120 is 213123321.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1233213093 and 1233213102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62727 + ... + 80006.

Almost surely, 2^1233213120 is an apocalyptic number.

1233213120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1233213120 is an abundant number, since it is smaller than the sum of its proper divisors (3117319200).

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

1233213120 is a wasteful number, since it uses less digits than its factorization.

1233213120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142759 (or 142743 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1233213120 is about 35117.1342794369. The cubic root of 1233213120 is about 1072.3734311981.

Adding to 1233213120 its reverse (213123321), we get a palindrome (1446336441).

It can be divided in two parts, 12332 and 13120, that added together give a palindrome (25452).

The spelling of 1233213120 in words is "one billion, two hundred thirty-three million, two hundred thirteen thousand, one hundred twenty".