2122013212112 has 10 divisors (see below), whose sum is σ = 4111400598498. Its totient is φ = 1061006606048.

The previous prime is 2122013212093. The next prime is 2122013212117. The reversal of 2122013212112 is 2112123102212.

It can be written as a sum of positive squares in only one way, i.e., 1699310387776 + 422702824336 = 1303576^2 + 650156^2 .

It is a super-3 number, since 3×2122013212112³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122013212117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66312912863 + ... + 66312912894.

Almost surely, 2^{2122013212112} is an apocalyptic number.

It is an amenable number.

2122013212112 is a deficient number, since it is larger than the sum of its proper divisors (1989387386386).

2122013212112 is a wasteful number, since it uses less digits than its factorization.

2122013212112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132625825765 (or 132625825759 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 2122013212112 its reverse (2112123102212), we get a palindrome (4234136314324).

The spelling of 2122013212112 in words is "two trillion, one hundred twenty-two billion, thirteen million, two hundred twelve thousand, one hundred twelve".