212122201001222 has 32 divisors (see below), whose sum is σ = 327154310550144. Its totient is φ = 103089995481600.

The previous prime is 212122201001219. The next prime is 212122201001261. The reversal of 212122201001222 is 222100102221212.

It is a junction number, because it is equal to n+sod(n) for n = 212122201001194 and 212122201001203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1265614658 + ... + 1265782250.

It is an arithmetic number, because the mean of its divisors is an integer number (10223572204692).

Almost surely, 2^{212122201001222} is an apocalyptic number.

212122201001222 is a deficient number, since it is larger than the sum of its proper divisors (115032109548922).

212122201001222 is a wasteful number, since it uses less digits than its factorization.

212122201001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224864.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 212122201001222 its reverse (222100102221212), we get a palindrome (434222303222434).

The spelling of 212122201001222 in words is "two hundred twelve trillion, one hundred twenty-two billion, two hundred one million, one thousand, two hundred twenty-two".