212012221200222 has 16 divisors (see below), whose sum is σ = 424028366979840. Its totient is φ = 70670086303512.

The previous prime is 212012221200209. The next prime is 212012221200281. The reversal of 212012221200222 is 222002122210212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162821628 + ... + 164118575.

It is an arithmetic number, because the mean of its divisors is an integer number (26501772936240).

Almost surely, 2^{212012221200222} is an apocalyptic number.

212012221200222 is an abundant number, since it is smaller than the sum of its proper divisors (212016145779618).

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

212012221200222 is a wasteful number, since it uses less digits than its factorization.

212012221200222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327048287.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 212012221200222 its reverse (222002122210212), we get a palindrome (434014343410434).

The spelling of 212012221200222 in words is "two hundred twelve trillion, twelve billion, two hundred twenty-one million, two hundred thousand, two hundred twenty-two".