1243212314 has 8 divisors (see below), whose sum is σ = 1872075348. Its totient is φ = 619187200.

The previous prime is 1243212293. The next prime is 1243212367. The reversal of 1243212314 is 4132123421.

It can be written as a sum of positive squares in 2 ways, for example, as 719580625 + 523631689 = 26825^2 + 22883^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1243212314.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1208837 + ... + 1209864.

Almost surely, 2^1243212314 is an apocalyptic number.

1243212314 is a deficient number, since it is larger than the sum of its proper divisors (628863034).

1243212314 is a wasteful number, since it uses less digits than its factorization.

1243212314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2418960.

The product of its digits is 1152, while the sum is 23.

The square root of 1243212314 is about 35259.2160151073. The cubic root of 1243212314 is about 1075.2639882407.

Adding to 1243212314 its reverse (4132123421), we get a palindrome (5375335735).

The spelling of 1243212314 in words is "one billion, two hundred forty-three million, two hundred twelve thousand, three hundred fourteen".