2120122012 has 12 divisors (see below), whose sum is σ = 3710722960. Its totient is φ = 1059915456.

The previous prime is 2120122001. The next prime is 2120122021. The reversal of 2120122012 is 2102210212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2120121983 and 2120122001.

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, 553 + ... + 65119.

Almost surely, 2^2120122012 is an apocalyptic number.

It is an amenable number.

2120122012 is a deficient number, since it is larger than the sum of its proper divisors (1590600948).

2120122012 is a wasteful number, since it uses less digits than its factorization.

2120122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72780 (or 72778 counting only the distinct ones).

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

The square root of 2120122012 is about 46044.7826794741. The cubic root of 2120122012 is about 1284.6563019689.

Adding to 2120122012 its reverse (2102210212), we get a palindrome (4222332224).

The spelling of 2120122012 in words is "two billion, one hundred twenty million, one hundred twenty-two thousand, twelve".