1212323233 has 8 divisors (see below), whose sum is σ = 1322984160. Its totient is φ = 1101737280.

The previous prime is 1212323207. The next prime is 1212323239. The reversal of 1212323233 is 3323232121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1212323233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1212323239) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 18258 + ... + 52516.

It is an arithmetic number, because the mean of its divisors is an integer number (165373020).

Almost surely, 2^1212323233 is an apocalyptic number.

It is an amenable number.

1212323233 is a deficient number, since it is larger than the sum of its proper divisors (110660927).

1212323233 is a wasteful number, since it uses less digits than its factorization.

1212323233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37487.

The product of its digits is 1296, while the sum is 22.

The square root of 1212323233 is about 34818.4323742468. The cubic root of 1212323233 is about 1066.2837958674.

Adding to 1212323233 its reverse (3323232121), we get a palindrome (4535555354).

The spelling of 1212323233 in words is "one billion, two hundred twelve million, three hundred twenty-three thousand, two hundred thirty-three".