210021022012012 has 24 divisors (see below), whose sum is σ = 367868977891632. Its totient is φ = 104915627073600.

The previous prime is 210021022011949. The next prime is 210021022012073. The reversal of 210021022012012 is 210210220120012.

It is a happy number.

It is an unprimeable number.

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, 27374187 + ... + 34196317.

It is an arithmetic number, because the mean of its divisors is an integer number (15327874078818).

Almost surely, 2^{210021022012012} is an apocalyptic number.

It is an amenable number.

210021022012012 is a deficient number, since it is larger than the sum of its proper divisors (157847955879620).

210021022012012 is a wasteful number, since it uses less digits than its factorization.

210021022012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6829089 (or 6829087 counting only the distinct ones).

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

Adding to 210021022012012 its reverse (210210220120012), we get a palindrome (420231242132024).

The spelling of 210021022012012 in words is "two hundred ten trillion, twenty-one billion, twenty-two million, twelve thousand, twelve".