12222012011 has 24 divisors (see below), whose sum is σ = 14188704960. Its totient is φ = 10438761600.

The previous prime is 12222012007. The next prime is 12222012037. The reversal of 12222012011 is 11021022221.

It is not a de Polignac number, because 12222012011 - 2² = 12222012007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12222012001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1964696 + ... + 1970906.

It is an arithmetic number, because the mean of its divisors is an integer number (591196040).

Almost surely, 2^12222012011 is an apocalyptic number.

12222012011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12222012011 is a deficient number, since it is larger than the sum of its proper divisors (1966692949).

12222012011 is a wasteful number, since it uses less digits than its factorization.

12222012011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6875 (or 6858 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12222012011 its reverse (11021022221), we get a palindrome (23243034232).

The spelling of 12222012011 in words is "twelve billion, two hundred twenty-two million, twelve thousand, eleven".