12220212120011 has 16 divisors (see below), whose sum is σ = 13993824423936. Its totient is φ = 10453578741216.

The previous prime is 12220212119903. The next prime is 12220212120023. The reversal of 12220212120011 is 11002121202221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12220212120011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12220212150011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11768765 + ... + 12764961.

It is an arithmetic number, because the mean of its divisors is an integer number (874614026496).

Almost surely, 2^{12220212120011} is an apocalyptic number.

12220212120011 is a deficient number, since it is larger than the sum of its proper divisors (1773612303925).

12220212120011 is an equidigital number, since it uses as much as digits as its factorization.

12220212120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999698.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12220212120011 its reverse (11002121202221), we get a palindrome (23222333322232).

The spelling of 12220212120011 in words is "twelve trillion, two hundred twenty billion, two hundred twelve million, one hundred twenty thousand, eleven".