2122116412 has 48 divisors (see below), whose sum is σ = 4144341600. Its totient is φ = 944052480.

The previous prime is 2122116379. The next prime is 2122116427. The reversal of 2122116412 is 2146112212.

It is a congruent number.

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, 1535962 + ... + 1537342.

It is an arithmetic number, because the mean of its divisors is an integer number (86340450).

Almost surely, 2^2122116412 is an apocalyptic number.

It is an amenable number.

2122116412 is a deficient number, since it is larger than the sum of its proper divisors (2022225188).

2122116412 is a wasteful number, since it uses less digits than its factorization.

2122116412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2446 (or 2444 counting only the distinct ones).

The product of its digits is 384, while the sum is 22.

The square root of 2122116412 is about 46066.4347654559. The cubic root of 2122116412 is about 1285.0590013636.

Adding to 2122116412 its reverse (2146112212), we get a palindrome (4268228624).

The spelling of 2122116412 in words is "two billion, one hundred twenty-two million, one hundred sixteen thousand, four hundred twelve".