11012212012 has 24 divisors (see below), whose sum is σ = 19461965600. Its totient is φ = 5451722496.

The previous prime is 11012212007. The next prime is 11012212063. The reversal of 11012212012 is 21021221011.

It is a junction number, because it is equal to n+sod(n) for n = 11012211983 and 11012212001.

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 7 ways as a sum of consecutive naturals, for example, 664564 + ... + 680932.

Almost surely, 2^11012212012 is an apocalyptic number.

It is an amenable number.

11012212012 is a deficient number, since it is larger than the sum of its proper divisors (8449753588).

11012212012 is a wasteful number, since it uses less digits than its factorization.

11012212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18025 (or 18023 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11012212012 its reverse (21021221011), we get a palindrome (32033433023).

The spelling of 11012212012 in words is "eleven billion, twelve million, two hundred twelve thousand, twelve".