1222211033012 has 12 divisors (see below), whose sum is σ = 2138878787136. Its totient is φ = 611102808120.

The previous prime is 1222211033009. The next prime is 1222211033041. The reversal of 1222211033012 is 2103301122221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 610187 + ... + 1678317.

It is an arithmetic number, because the mean of its divisors is an integer number (178239898928).

Almost surely, 2^{1222211033012} is an apocalyptic number.

It is an amenable number.

1222211033012 is a deficient number, since it is larger than the sum of its proper divisors (916667754124).

1222211033012 is a wasteful number, since it uses less digits than its factorization.

1222211033012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1354198 (or 1354196 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1222211033012 its reverse (2103301122221), we get a palindrome (3325512155233).

The spelling of 1222211033012 in words is "one trillion, two hundred twenty-two billion, two hundred eleven million, thirty-three thousand, twelve".