1111440012 has 12 divisors (see below), whose sum is σ = 2593360056. Its totient is φ = 370480000.

The previous prime is 1111439999. The next prime is 1111440023. The reversal of 1111440012 is 2100441111.

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

It is a junction number, because it is equal to n+sod(n) for n = 1111439973 and 1111440000.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46309989 + ... + 46310012.

It is an arithmetic number, because the mean of its divisors is an integer number (216113338).

Almost surely, 2^1111440012 is an apocalyptic number.

1111440012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1111440012 is an abundant number, since it is smaller than the sum of its proper divisors (1481920044).

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

1111440012 is a wasteful number, since it uses less digits than its factorization.

1111440012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92620008 (or 92620006 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 1111440012 is about 33338.2664816274. The cubic root of 1111440012 is about 1035.8463557224.

Adding to 1111440012 its reverse (2100441111), we get a palindrome (3211881123).

The spelling of 1111440012 in words is "one billion, one hundred eleven million, four hundred forty thousand, twelve".