2212221002212 has 48 divisors (see below), whose sum is σ = 4173126375600. Its totient is φ = 1020060569088.

The previous prime is 2212221002197. The next prime is 2212221002239. The reversal of 2212221002212 is 2122001222122.

It can be written as a sum of positive squares in 8 ways, for example, as 182376827136 + 2029844175076 = 427056^2 + 1424726^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2212221002212.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 414814698 + ... + 414820030.

It is an arithmetic number, because the mean of its divisors is an integer number (86940132825).

Almost surely, 2^{2212221002212} is an apocalyptic number.

It is an amenable number.

2212221002212 is a deficient number, since it is larger than the sum of its proper divisors (1960905373388).

2212221002212 is a wasteful number, since it uses less digits than its factorization.

2212221002212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11392 (or 11390 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2212221002212 its reverse (2122001222122), we get a palindrome (4334222224334).

The spelling of 2212221002212 in words is "two trillion, two hundred twelve billion, two hundred twenty-one million, two thousand, two hundred twelve".