212012012021202 has 48 divisors (see below), whose sum is σ = 472751281666080. Its totient is φ = 70429472305488.

The previous prime is 212012012021179. The next prime is 212012012021213. The reversal of 212012012021202 is 202120210210212.

It is a happy number.

212012012021202 is a `hidden beast` number, since 21 + 201 + 201 + 20 + 21 + 202 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18230748 + ... + 27502439.

It is an arithmetic number, because the mean of its divisors is an integer number (9848985034710).

Almost surely, 2^{212012012021202} is an apocalyptic number.

212012012021202 is an abundant number, since it is smaller than the sum of its proper divisors (260739269644878).

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

212012012021202 is an equidigital number, since it uses as much as digits as its factorization.

212012012021202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45733784 (or 45733485 counting only the distinct ones).

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

Adding to 212012012021202 its reverse (202120210210212), we get a palindrome (414132222231414).

The spelling of 212012012021202 in words is "two hundred twelve trillion, twelve billion, twelve million, twenty-one thousand, two hundred two".