1234544412 has 96 divisors (see below), whose sum is σ = 3085576704. Its totient is φ = 383328000.

The previous prime is 1234544387. The next prime is 1234544447. The reversal of 1234544412 is 2144454321.

It is a self number, because there is not a number n which added to its sum of digits gives 1234544412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1867362 + ... + 1868022.

It is an arithmetic number, because the mean of its divisors is an integer number (32141424).

Almost surely, 2^1234544412 is an apocalyptic number.

1234544412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1234544412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1542788352).

1234544412 is an abundant number, since it is smaller than the sum of its proper divisors (1851032292).

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

1234544412 is a wasteful number, since it uses less digits than its factorization.

1234544412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859 (or 857 counting only the distinct ones).

The product of its digits is 15360, while the sum is 30.

The square root of 1234544412 is about 35136.0841870576. The cubic root of 1234544412 is about 1072.7591792700.

Adding to 1234544412 its reverse (2144454321), we get a palindrome (3378998733).

Subtracting 1234544412 from its reverse (2144454321), we obtain a palindrome (909909909).

The spelling of 1234544412 in words is "one billion, two hundred thirty-four million, five hundred forty-four thousand, four hundred twelve".