212102001221002 has 16 divisors (see below), whose sum is σ = 335516931626400. Its totient is φ = 100283658510960.

The previous prime is 212102001220973. The next prime is 212102001221009. The reversal of 212102001221002 is 200122100201212.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (212102001221009) 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 7 ways as a sum of consecutive naturals, for example, 5158603852 + ... + 5158644967.

It is an arithmetic number, because the mean of its divisors is an integer number (20969808226650).

Almost surely, 2^{212102001221002} is an apocalyptic number.

212102001221002 is a deficient number, since it is larger than the sum of its proper divisors (123414930405398).

212102001221002 is a wasteful number, since it uses less digits than its factorization.

212102001221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10317249381.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 212102001221002 its reverse (200122100201212), we get a palindrome (412224101422214).

The spelling of 212102001221002 in words is "two hundred twelve trillion, one hundred two billion, one million, two hundred twenty-one thousand, two".