2102002120212 has 12 divisors (see below), whose sum is σ = 4904671613856. Its totient is φ = 700667373400.

The previous prime is 2102002120201. The next prime is 2102002120243. The reversal of 2102002120212 is 2120212002012.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 2102002120191 and 2102002120200.

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, 87583421664 + ... + 87583421687.

It is an arithmetic number, because the mean of its divisors is an integer number (408722634488).

Almost surely, 2^{2102002120212} is an apocalyptic number.

It is an amenable number.

2102002120212 is an abundant number, since it is smaller than the sum of its proper divisors (2802669493644).

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

2102002120212 is a wasteful number, since it uses less digits than its factorization.

2102002120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175166843358 (or 175166843356 counting only the distinct ones).

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

Adding to 2102002120212 its reverse (2120212002012), we get a palindrome (4222214122224).

The spelling of 2102002120212 in words is "two trillion, one hundred two billion, two million, one hundred twenty thousand, two hundred twelve".