12212002011 has 32 divisors (see below), whose sum is σ = 18043326720. Its totient is φ = 7285232000.

The previous prime is 12212002009. The next prime is 12212002067. The reversal of 12212002011 is 11020021221.

It is a cyclic number.

It is not a de Polignac number, because 12212002011 - 2¹ = 12212002009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12212002511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 566020 + ... + 587198.

It is an arithmetic number, because the mean of its divisors is an integer number (563853960).

Almost surely, 2^12212002011 is an apocalyptic number.

12212002011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12212002011 is a deficient number, since it is larger than the sum of its proper divisors (5831324709).

12212002011 is a wasteful number, since it uses less digits than its factorization.

12212002011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21467.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12212002011 its reverse (11020021221), we get a palindrome (23232023232).

The spelling of 12212002011 in words is "twelve billion, two hundred twelve million, two thousand, eleven".