2102122212012 has 72 divisors (see below), whose sum is σ = 5497214399040. Its totient is φ = 676509926400.

The previous prime is 2102122212007. The next prime is 2102122212023.

It is a happy number.

2102122212012 is a `hidden beast` number, since 210 + 212 + 221 + 20 + 1 + 2 = 666.

2102122212012 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 26502012 + ... + 26581212.

Almost surely, 2^{2102122212012} is an apocalyptic number.

It is an amenable number.

2102122212012 is an abundant number, since it is smaller than the sum of its proper divisors (3395092187028).

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

2102122212012 is a wasteful number, since it uses less digits than its factorization.

2102122212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104663 (or 104658 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The spelling of 2102122212012 in words is "two trillion, one hundred two billion, one hundred twenty-two million, two hundred twelve thousand, twelve".