1212233313 has 8 divisors (see below), whose sum is σ = 1616546176. Its totient is φ = 808038000.

The previous prime is 1212233303. The next prime is 1212233327. The reversal of 1212233313 is 3133322121.

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

It is not a de Polignac number, because 1212233313 - 2¹³ = 1212225121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1212233313.

It is not an unprimeable number, because it can be changed into a prime (1212233303) 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, 1558 + ... + 49263.

It is an arithmetic number, because the mean of its divisors is an integer number (202068272).

Almost surely, 2^1212233313 is an apocalyptic number.

It is an amenable number.

1212233313 is a deficient number, since it is larger than the sum of its proper divisors (404312863).

1212233313 is an equidigital number, since it uses as much as digits as its factorization.

1212233313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58775.

The product of its digits is 648, while the sum is 21.

The square root of 1212233313 is about 34817.1410802208. The cubic root of 1212233313 is about 1066.2574325436.

Adding to 1212233313 its reverse (3133322121), we get a palindrome (4345555434).

The spelling of 1212233313 in words is "one billion, two hundred twelve million, two hundred thirty-three thousand, three hundred thirteen".