1212231303 has 12 divisors (see below), whose sum is σ = 1754906400. Its totient is φ = 806351616.

The previous prime is 1212231301. The next prime is 1212231329. The reversal of 1212231303 is 3031322121.

It is not a de Polignac number, because 1212231303 - 2¹ = 1212231301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212231301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145951 + ... + 154032.

It is an arithmetic number, because the mean of its divisors is an integer number (146242200).

Almost surely, 2^1212231303 is an apocalyptic number.

1212231303 is a deficient number, since it is larger than the sum of its proper divisors (542675097).

1212231303 is a wasteful number, since it uses less digits than its factorization.

1212231303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300438 (or 300435 counting only the distinct ones).

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

The square root of 1212231303 is about 34817.1122151163. The cubic root of 1212231303 is about 1066.2568432240.

Adding to 1212231303 its reverse (3031322121), we get a palindrome (4243553424).

The spelling of 1212231303 in words is "one billion, two hundred twelve million, two hundred thirty-one thousand, three hundred three".