1111000012 has 6 divisors (see below), whose sum is σ = 1944250028. Its totient is φ = 555500004.

The previous prime is 1110999983. The next prime is 1111000039. The reversal of 1111000012 is 2100001111.

It is a junction number, because it is equal to n+sod(n) for n = 1110999959 and 1111000004.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138874998 + ... + 138875005.

Almost surely, 2^1111000012 is an apocalyptic number.

It is an amenable number.

1111000012 is a deficient number, since it is larger than the sum of its proper divisors (833250016).

1111000012 is a wasteful number, since it uses less digits than its factorization.

1111000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277750007 (or 277750005 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 7.

The square root of 1111000012 is about 33331.6668050069. Note that the first 3 decimals coincide. The cubic root of 1111000012 is about 1035.7096464237.

Adding to 1111000012 its reverse (2100001111), we get a palindrome (3211001123).

The spelling of 1111000012 in words is "one billion, one hundred eleven million, twelve", and thus it is an aban number.