1022122011212 has 12 divisors (see below), whose sum is σ = 1866483672816. Its totient is φ = 488840961840.

The previous prime is 1022122011193. The next prime is 1022122011221. The reversal of 1022122011212 is 2121102212201.

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, 5555010839 + ... + 5555011022.

It is an arithmetic number, because the mean of its divisors is an integer number (155540306068).

Almost surely, 2^{1022122011212} is an apocalyptic number.

It is an amenable number.

1022122011212 is a deficient number, since it is larger than the sum of its proper divisors (844361661604).

1022122011212 is a wasteful number, since it uses less digits than its factorization.

1022122011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11110021888 (or 11110021886 counting only the distinct ones).

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

Adding to 1022122011212 its reverse (2121102212201), we get a palindrome (3143224223413).

The spelling of 1022122011212 in words is "one trillion, twenty-two billion, one hundred twenty-two million, eleven thousand, two hundred twelve".