2120002122012 has 24 divisors (see below), whose sum is σ = 4946897726736. Its totient is φ = 706635072768.

The previous prime is 2120002121987. The next prime is 2120002122019. The reversal of 2120002122012 is 2102212000212.

It is a super-3 number, since 3×2120002122012³ (a number of 38 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2120002121982 and 2120002122000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120002122019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3763443 + ... + 4289930.

It is an arithmetic number, because the mean of its divisors is an integer number (206120738614).

Almost surely, 2^{2120002122012} is an apocalyptic number.

It is an amenable number.

2120002122012 is an abundant number, since it is smaller than the sum of its proper divisors (2826895604724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2120002122012 is a wasteful number, since it uses less digits than its factorization.

2120002122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8075317 (or 8075315 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2120002122012 its reverse (2102212000212), we get a palindrome (4222214122224).

The spelling of 2120002122012 in words is "two trillion, one hundred twenty billion, two million, one hundred twenty-two thousand, twelve".