2100002212212 has 12 divisors (see below), whose sum is σ = 4900005161856. Its totient is φ = 700000737400.

The previous prime is 2100002212183. The next prime is 2100002212247. The reversal of 2100002212212 is 2122122000012.

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 = 2100002212191 and 2100002212200.

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, 87500092164 + ... + 87500092187.

It is an arithmetic number, because the mean of its divisors is an integer number (408333763488).

Almost surely, 2^{2100002212212} is an apocalyptic number.

It is an amenable number.

2100002212212 is an abundant number, since it is smaller than the sum of its proper divisors (2800002949644).

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

2100002212212 is a wasteful number, since it uses less digits than its factorization.

2100002212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175000184358 (or 175000184356 counting only the distinct ones).

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

Adding to 2100002212212 its reverse (2122122000012), we get a palindrome (4222124212224).

The spelling of 2100002212212 in words is "two trillion, one hundred billion, two million, two hundred twelve thousand, two hundred twelve".