212222126275066 has 8 divisors (see below), whose sum is σ = 318351977941824. Its totient is φ = 106104800294460.

The previous prime is 212222126275013. The next prime is 212222126275067. The reversal of 212222126275066 is 660572621222212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (212222126275067) 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 3 ways as a sum of consecutive naturals, for example, 3131379180 + ... + 3131446951.

It is an arithmetic number, because the mean of its divisors is an integer number (39793997242728).

Almost surely, 2^{212222126275066} is an apocalyptic number.

212222126275066 is a deficient number, since it is larger than the sum of its proper divisors (106129851666758).

212222126275066 is a wasteful number, since it uses less digits than its factorization.

212222126275066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6262843076.

The product of its (nonzero) digits is 967680, while the sum is 46.

Adding to 212222126275066 its reverse (660572621222212), we get a palindrome (872794747497278).

The spelling of 212222126275066 in words is "two hundred twelve trillion, two hundred twenty-two billion, one hundred twenty-six million, two hundred seventy-five thousand, sixty-six".