212012121022002 has 24 divisors (see below), whose sum is σ = 524982394911936. Its totient is φ = 60574891720536.

The previous prime is 212012121022001. The next prime is 212012121022033. The reversal of 212012121022002 is 200220121210212.

It is a happy number.

212012121022002 is a `hidden beast` number, since 21 + 201 + 212 + 10 + 220 + 0 + 2 = 666.

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 (212012121022001) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 841317940438 + ... + 841317940689.

It is an arithmetic number, because the mean of its divisors is an integer number (21874266454664).

Almost surely, 2^{212012121022002} is an apocalyptic number.

212012121022002 is an abundant number, since it is smaller than the sum of its proper divisors (312970273889934).

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

212012121022002 is a wasteful number, since it uses less digits than its factorization.

212012121022002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1682635881142 (or 1682635881139 counting only the distinct ones).

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

Adding to 212012121022002 its reverse (200220121210212), we get a palindrome (412232242232214).

The spelling of 212012121022002 in words is "two hundred twelve trillion, twelve billion, one hundred twenty-one million, twenty-two thousand, two".