1234421312 has 28 divisors (see below), whose sum is σ = 2452152576. Its totient is φ = 616556160.

The previous prime is 1234421303. The next prime is 1234421327. The reversal of 1234421312 is 2131244321.

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, 53693 + ... + 73155.

Almost surely, 2^1234421312 is an apocalyptic number.

It is an amenable number.

1234421312 is a deficient number, since it is larger than the sum of its proper divisors (1217731264).

1234421312 is an equidigital number, since it uses as much as digits as its factorization.

1234421312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20466 (or 20456 counting only the distinct ones).

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

The square root of 1234421312 is about 35134.3323830125. The cubic root of 1234421312 is about 1072.7235221096.

Adding to 1234421312 its reverse (2131244321), we get a palindrome (3365665633).

The spelling of 1234421312 in words is "one billion, two hundred thirty-four million, four hundred twenty-one thousand, three hundred twelve".