212210221002002 has 8 divisors (see below), whose sum is σ = 318325741881276. Its totient is φ = 106101640374912.

The previous prime is 212210221001969. The next prime is 212210221002007. The reversal of 212210221002002 is 200200122012212.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 203516444914561 + 8693776087441 = 14265919^2 + 2948521^2 .

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 (212210221002007) 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, 1734986603 + ... + 1735108910.

Almost surely, 2^{212210221002002} is an apocalyptic number.

212210221002002 is a deficient number, since it is larger than the sum of its proper divisors (106115520879274).

212210221002002 is a wasteful number, since it uses less digits than its factorization.

212210221002002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3470126092.

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

Adding to 212210221002002 its reverse (200200122012212), we get a palindrome (412410343014214).

The spelling of 212210221002002 in words is "two hundred twelve trillion, two hundred ten billion, two hundred twenty-one million, two thousand, two".