212001222021002 has 8 divisors (see below), whose sum is σ = 318001896166212. Its totient is φ = 106000589965600.

The previous prime is 212001222020963. The next prime is 212001222021007. The reversal of 212001222021002 is 200120222100212.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 206533430155441 + 5467791865561 = 14371271^2 + 2338331^2 .

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 (212001222021007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10351502 + ... + 23046822.

Almost surely, 2^{212001222021002} is an apocalyptic number.

212001222021002 is a deficient number, since it is larger than the sum of its proper divisors (106000674145210).

212001222021002 is a wasteful number, since it uses less digits than its factorization.

212001222021002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21044904.

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

Adding to 212001222021002 its reverse (200120222100212), we get a palindrome (412121444121214).

The spelling of 212001222021002 in words is "two hundred twelve trillion, one billion, two hundred twenty-two million, twenty-one thousand, two".