212212001212211 has 32 divisors (see below), whose sum is σ = 297316175643648. Its totient is φ = 146003479079040.

The previous prime is 212212001212199. The next prime is 212212001212213. The reversal of 212212001212211 is 112212100212212.

It is not a de Polignac number, because 212212001212211 - 2¹⁴ = 212212001195827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212212001212213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4608672656 + ... + 4608718701.

It is an arithmetic number, because the mean of its divisors is an integer number (9291130488864).

Almost surely, 2^{212212001212211} is an apocalyptic number.

212212001212211 is a deficient number, since it is larger than the sum of its proper divisors (85104174431437).

212212001212211 is a wasteful number, since it uses less digits than its factorization.

212212001212211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9217391411.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 212212001212211 its reverse (112212100212212), we get a palindrome (324424101424423).

Subtracting from 212212001212211 its reverse (112212100212212), we obtain a palindrome (99999900999999).

It can be divided in two parts, 212212001 and 212211, that added together give a palindrome (212424212).

The spelling of 212212001212211 in words is "two hundred twelve trillion, two hundred twelve billion, one million, two hundred twelve thousand, two hundred eleven".