1012443412 has 6 divisors (see below), whose sum is σ = 1771775978. Its totient is φ = 506221704.

The previous prime is 1012443409. The next prime is 1012443433. The reversal of 1012443412 is 2143442101.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 642419716 + 370023696 = 25346^2 + 19236^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126555423 + ... + 126555430.

Almost surely, 2^1012443412 is an apocalyptic number.

It is an amenable number.

1012443412 is a deficient number, since it is larger than the sum of its proper divisors (759332566).

1012443412 is a wasteful number, since it uses less digits than its factorization.

1012443412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253110857 (or 253110855 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1012443412 is about 31818.9159463361. The cubic root of 1012443412 is about 1004.1307176776.

Adding to 1012443412 its reverse (2143442101), we get a palindrome (3155885513).

The spelling of 1012443412 in words is "one billion, twelve million, four hundred forty-three thousand, four hundred twelve".