210021212002 has 16 divisors (see below), whose sum is σ = 360046187712. Its totient is φ = 90006634800.

The previous prime is 210021211993. The next prime is 210021212003. The reversal of 210021212002 is 200212120012.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (210021212003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385377 + ... + 754027.

It is an arithmetic number, because the mean of its divisors is an integer number (22502886732).

Almost surely, 2^210021212002 is an apocalyptic number.

210021212002 is a deficient number, since it is larger than the sum of its proper divisors (150024975710).

210021212002 is a wasteful number, since it uses less digits than its factorization.

210021212002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409353.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 210021212002 its reverse (200212120012), we get a palindrome (410233332014).

The spelling of 210021212002 in words is "two hundred ten billion, twenty-one million, two hundred twelve thousand, two".