1123044432012 has 18 divisors (see below), whose sum is σ = 2838806758788. Its totient is φ = 374348143992.

The previous prime is 1123044432007. The next prime is 1123044432113. The reversal of 1123044432012 is 2102344403211.

1123044432012 is a `hidden beast` number, since 1 + 12 + 3 + 0 + 4 + 443 + 201 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×1123044432012² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15597839298 + ... + 15597839369.

Almost surely, 2^{1123044432012} is an apocalyptic number.

1123044432012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1123044432012 is an abundant number, since it is smaller than the sum of its proper divisors (1715762326776).

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

1123044432012 is a wasteful number, since it uses less digits than its factorization.

1123044432012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31195678677 (or 31195678672 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 1123044432012 its reverse (2102344403211), we get a palindrome (3225388835223).

The spelling of 1123044432012 in words is "one trillion, one hundred twenty-three billion, forty-four million, four hundred thirty-two thousand, twelve".