1234013312 has 64 divisors (see below), whose sum is σ = 2875012800. Its totient is φ = 516547584.

The previous prime is 1234013281. The next prime is 1234013351. The reversal of 1234013312 is 2133104321.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

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, 22514 + ... + 54542.

It is an arithmetic number, because the mean of its divisors is an integer number (44922075).

Almost surely, 2^1234013312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1234013312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1437506400).

1234013312 is an abundant number, since it is smaller than the sum of its proper divisors (1640999488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1234013312 is an equidigital number, since it uses as much as digits as its factorization.

1234013312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32093 (or 32081 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1234013312 is about 35128.5256166552. The cubic root of 1234013312 is about 1072.6053238302.

Adding to 1234013312 its reverse (2133104321), we get a palindrome (3367117633).

It can be divided in two parts, 12340 and 13312, that added together give a palindrome (25652).

The spelling of 1234013312 in words is "one billion, two hundred thirty-four million, thirteen thousand, three hundred twelve".