210120021022012 has 6 divisors (see below), whose sum is σ = 367710036788528. Its totient is φ = 105060010511004.

The previous prime is 210120021022001. The next prime is 210120021022063. The reversal of 210120021022012 is 210220120021012.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26265002627748 + ... + 26265002627755.

Almost surely, 2^{210120021022012} is an apocalyptic number.

It is an amenable number.

210120021022012 is a deficient number, since it is larger than the sum of its proper divisors (157590015766516).

210120021022012 is a wasteful number, since it uses less digits than its factorization.

210120021022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52530005255507 (or 52530005255505 counting only the distinct ones).

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

Adding to 210120021022012 its reverse (210220120021012), we get a palindrome (420340141043024).

The spelling of 210120021022012 in words is "two hundred ten trillion, one hundred twenty billion, twenty-one million, twenty-two thousand, twelve".