212021002 has 8 divisors (see below), whose sum is σ = 318232800. Its totient is φ = 105943404.

The previous prime is 212020987. The next prime is 212021021. The reversal of 212021002 is 200120212.

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

It is a self number, because there is not a number n which added to its sum of digits gives 212021002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29502 + ... + 35977.

It is an arithmetic number, because the mean of its divisors is an integer number (39779100).

Almost surely, 2^212021002 is an apocalyptic number.

212021002 is a deficient number, since it is larger than the sum of its proper divisors (106211798).

212021002 is a wasteful number, since it uses less digits than its factorization.

212021002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67100.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 212021002 is about 14560.9409723410. The cubic root of 212021002 is about 596.2928852652.

Adding to 212021002 its reverse (200120212), we get a palindrome (412141214).

The spelling of 212021002 in words is "two hundred twelve million, twenty-one thousand, two".