2122012012 has 96 divisors (see below), whose sum is σ = 4228761600. Its totient is φ = 926650368.

The previous prime is 2122011973. The next prime is 2122012021. The reversal of 2122012012 is 2102102212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2122011983 and 2122012001.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9266314 + ... + 9266542.

It is an arithmetic number, because the mean of its divisors is an integer number (44049600).

Almost surely, 2^2122012012 is an apocalyptic number.

It is an amenable number.

2122012012 is a deficient number, since it is larger than the sum of its proper divisors (2106749588).

2122012012 is a wasteful number, since it uses less digits than its factorization.

2122012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443 (or 441 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2122012012 is about 46065.3016054383. The cubic root of 2122012012 is about 1285.0379276910.

Adding to 2122012012 its reverse (2102102212), we get a palindrome (4224114224).

The spelling of 2122012012 in words is "two billion, one hundred twenty-two million, twelve thousand, twelve".