2120210022012 has 24 divisors (see below), whose sum is σ = 4947628753536. Its totient is φ = 706669240368.

The previous prime is 2120210021999. The next prime is 2120210022017. The reversal of 2120210022012 is 2102200120212.

It is a junction number, because it is equal to n+sod(n) for n = 2120210021982 and 2120210022000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120210022017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8298118 + ... + 8549805.

It is an arithmetic number, because the mean of its divisors is an integer number (206151198064).

Almost surely, 2^{2120210022012} is an apocalyptic number.

It is an amenable number.

2120210022012 is an abundant number, since it is smaller than the sum of its proper divisors (2827418731524).

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

2120210022012 is a wasteful number, since it uses less digits than its factorization.

2120210022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16858417 (or 16858415 counting only the distinct ones).

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

Adding to 2120210022012 its reverse (2102200120212), we get a palindrome (4222410142224).

The spelling of 2120210022012 in words is "two trillion, one hundred twenty billion, two hundred ten million, twenty-two thousand, twelve".