210021210022012 has 24 divisors (see below), whose sum is σ = 371284499257056. Its totient is φ = 103945010889408.

The previous prime is 210021210022007. The next prime is 210021210022097. The reversal of 210021210022012 is 210220012120012.

It is a happy number.

It is a super-2 number, since 2×210021210022012² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 635630803 + ... + 635961130.

It is an arithmetic number, because the mean of its divisors is an integer number (15470187469044).

Almost surely, 2^{210021210022012} is an apocalyptic number.

It is an amenable number.

210021210022012 is a deficient number, since it is larger than the sum of its proper divisors (161263289235044).

210021210022012 is a wasteful number, since it uses less digits than its factorization.

210021210022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271592357 (or 1271592355 counting only the distinct ones).

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

Adding to 210021210022012 its reverse (210220012120012), we get a palindrome (420241222142024).

The spelling of 210021210022012 in words is "two hundred ten trillion, twenty-one billion, two hundred ten million, twenty-two thousand, twelve".