1143424012 has 48 divisors (see below), whose sum is σ = 2176312320. Its totient is φ = 523636992.

The previous prime is 1143423997. The next prime is 1143424013. The reversal of 1143424012 is 2104243411.

It is a happy number.

It is a super-2 number, since 2×1143424012² = 2614836942436352288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1143424013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 411853 + ... + 414619.

It is an arithmetic number, because the mean of its divisors is an integer number (45339840).

Almost surely, 2^1143424012 is an apocalyptic number.

It is an amenable number.

1143424012 is a deficient number, since it is larger than the sum of its proper divisors (1032888308).

1143424012 is a wasteful number, since it uses less digits than its factorization.

1143424012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2950 (or 2948 counting only the distinct ones).

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

The square root of 1143424012 is about 33814.5532574364. The cubic root of 1143424012 is about 1045.6887508677.

Adding to 1143424012 its reverse (2104243411), we get a palindrome (3247667423).

The spelling of 1143424012 in words is "one billion, one hundred forty-three million, four hundred twenty-four thousand, twelve".