1121012012 has 12 divisors (see below), whose sum is σ = 1962514680. Its totient is φ = 560293536.

The previous prime is 1121011967. The next prime is 1121012047. The reversal of 1121012012 is 2102101211.

It is a junction number, because it is equal to n+sod(n) for n = 1121011984 and 1121012002.

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, 40937 + ... + 62592.

It is an arithmetic number, because the mean of its divisors is an integer number (163542890).

Almost surely, 2^1121012012 is an apocalyptic number.

It is an amenable number.

1121012012 is a deficient number, since it is larger than the sum of its proper divisors (841502668).

1121012012 is a wasteful number, since it uses less digits than its factorization.

1121012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106240 (or 106238 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1121012012 is about 33481.5174685975. The cubic root of 1121012012 is about 1038.8115158703.

Adding to 1121012012 its reverse (2102101211), we get a palindrome (3223113223).

The spelling of 1121012012 in words is "one billion, one hundred twenty-one million, twelve thousand, twelve".