1212412303 has 4 divisors (see below), whose sum is σ = 1213818048. Its totient is φ = 1211006560.

The previous prime is 1212412301. The next prime is 1212412339. The reversal of 1212412303 is 3032142121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1212412303 - 2¹ = 1212412301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212412301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 701578 + ... + 703303.

It is an arithmetic number, because the mean of its divisors is an integer number (303454512).

Almost surely, 2^1212412303 is an apocalyptic number.

1212412303 is a deficient number, since it is larger than the sum of its proper divisors (1405745).

1212412303 is an equidigital number, since it uses as much as digits as its factorization.

1212412303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405744.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1212412303 is about 34819.7114146571. The cubic root of 1212412303 is about 1066.3099086975.

Adding to 1212412303 its reverse (3032142121), we get a palindrome (4244554424).

The spelling of 1212412303 in words is "one billion, two hundred twelve million, four hundred twelve thousand, three hundred three".