12220211011012 has 24 divisors (see below), whose sum is σ = 22103514228096. Its totient is φ = 5908053816288.

The previous prime is 12220211011009. The next prime is 12220211011049. The reversal of 12220211011012 is 21011011202221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 391557423 + ... + 391588630.

It is an arithmetic number, because the mean of its divisors is an integer number (920979759504).

Almost surely, 2^{12220211011012} is an apocalyptic number.

It is an amenable number.

12220211011012 is a deficient number, since it is larger than the sum of its proper divisors (9883303217084).

12220211011012 is a wasteful number, since it uses less digits than its factorization.

12220211011012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783146187 (or 783146185 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12220211011012 its reverse (21011011202221), we get a palindrome (33231222213233).

The spelling of 12220211011012 in words is "twelve trillion, two hundred twenty billion, two hundred eleven million, eleven thousand, twelve".