1443240012 has 12 divisors (see below), whose sum is σ = 3367560056. Its totient is φ = 481080000.

The previous prime is 1443239989. The next prime is 1443240023. The reversal of 1443240012 is 2100423441.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 60134989 + ... + 60135012.

Almost surely, 2^1443240012 is an apocalyptic number.

1443240012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1443240012 is an abundant number, since it is smaller than the sum of its proper divisors (1924320044).

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

1443240012 is a wasteful number, since it uses less digits than its factorization.

1443240012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120270008 (or 120270006 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1443240012 is about 37989.9988418005. The cubic root of 1443240012 is about 1130.0895358088.

Adding to 1443240012 its reverse (2100423441), we get a palindrome (3543663453).

The spelling of 1443240012 in words is "one billion, four hundred forty-three million, two hundred forty thousand, twelve".