212012020001222 has 16 divisors (see below), whose sum is σ = 365332333507872. Its totient is φ = 90391505195520.

The previous prime is 212012020001207. The next prime is 212012020001251. The reversal of 212012020001222 is 222100020210212.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 212012020001222.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 39232421429 + ... + 39232426832.

It is an arithmetic number, because the mean of its divisors is an integer number (22833270844242).

Almost surely, 2^{212012020001222} is an apocalyptic number.

212012020001222 is a deficient number, since it is larger than the sum of its proper divisors (153320313506650).

212012020001222 is a wasteful number, since it uses less digits than its factorization.

212012020001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78464848463.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 212012020001222 its reverse (222100020210212), we get a palindrome (434112040211434).

The spelling of 212012020001222 in words is "two hundred twelve trillion, twelve billion, twenty million, one thousand, two hundred twenty-two".