12212220222011 has 8 divisors (see below), whose sum is σ = 12236875691040. Its totient is φ = 12187566248832.

The previous prime is 12212220222001. The next prime is 12212220222019. The reversal of 12212220222011 is 11022202221221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12212220222011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12212220222019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16761905 + ... + 17475293.

It is an arithmetic number, because the mean of its divisors is an integer number (1529609461380).

Almost surely, 2^{12212220222011} is an apocalyptic number.

12212220222011 is a deficient number, since it is larger than the sum of its proper divisors (24655469029).

12212220222011 is an equidigital number, since it uses as much as digits as its factorization.

12212220222011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747925.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12212220222011 its reverse (11022202221221), we get a palindrome (23234422443232).

The spelling of 12212220222011 in words is "twelve trillion, two hundred twelve billion, two hundred twenty million, two hundred twenty-two thousand, eleven".