12211012220012 has 6 divisors (see below), whose sum is σ = 21369271385028. Its totient is φ = 6105506110004.

The previous prime is 12211012219999. The next prime is 12211012220027. The reversal of 12211012220012 is 21002221011221.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1526376527498 + ... + 1526376527505.

It is an arithmetic number, because the mean of its divisors is an integer number (3561545230838).

Almost surely, 2^{12211012220012} is an apocalyptic number.

It is an amenable number.

12211012220012 is a deficient number, since it is larger than the sum of its proper divisors (9158259165016).

12211012220012 is a wasteful number, since it uses less digits than its factorization.

12211012220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3052753055007 (or 3052753055005 counting only the distinct ones).

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

Adding to 12211012220012 its reverse (21002221011221), we get a palindrome (33213233231233).

The spelling of 12211012220012 in words is "twelve trillion, two hundred eleven billion, twelve million, two hundred twenty thousand, twelve".