212112122002002 has 24 divisors (see below), whose sum is σ = 459626202354384. Its totient is φ = 70696357895544.

The previous prime is 212112122001947. The next prime is 212112122002007. The reversal of 212112122002002 is 200200221211212.

It is a happy number.

212112122002002 is a `hidden beast` number, since 2 + 121 + 121 + 220 + 0 + 200 + 2 = 666.

212112122002002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (212112122002007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 640060728 + ... + 640392035.

It is an arithmetic number, because the mean of its divisors is an integer number (19151091764766).

Almost surely, 2^{212112122002002} is an apocalyptic number.

212112122002002 is an abundant number, since it is smaller than the sum of its proper divisors (247514080352382).

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

212112122002002 is a wasteful number, since it uses less digits than its factorization.

212112122002002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280461974 (or 1280461971 counting only the distinct ones).

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

Adding to 212112122002002 its reverse (200200221211212), we get a palindrome (412312343213214).

It can be divided in two parts, 21211212 and 2002002, that multiplied together give a palindrome (42464888846424).

The spelling of 212112122002002 in words is "two hundred twelve trillion, one hundred twelve billion, one hundred twenty-two million, two thousand, two".