212021221012003 has 8 divisors (see below), whose sum is σ = 228536434400400. Its totient is φ = 195535420294368.

The previous prime is 212021221012001. The next prime is 212021221012019. The reversal of 212021221012003 is 300210122120212.

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

It is a cyclic number.

It is not a de Polignac number, because 212021221012003 - 2¹ = 212021221012001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212021221012001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7353152713 + ... + 7353181546.

It is an arithmetic number, because the mean of its divisors is an integer number (28567054300050).

Almost surely, 2^{212021221012003} is an apocalyptic number.

212021221012003 is a deficient number, since it is larger than the sum of its proper divisors (16515213388397).

212021221012003 is a wasteful number, since it uses less digits than its factorization.

212021221012003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14706335381.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 212021221012003 its reverse (300210122120212), we get a palindrome (512231343132215).

The spelling of 212021221012003 in words is "two hundred twelve trillion, twenty-one billion, two hundred twenty-one million, twelve thousand, three".