210100021222012 has 6 divisors (see below), whose sum is σ = 367675037138528. Its totient is φ = 105050010611004.

The previous prime is 210100021221997. The next prime is 210100021222037. The reversal of 210100021222012 is 210222120001012.

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, 26262502652748 + ... + 26262502652755.

Almost surely, 2^{210100021222012} is an apocalyptic number.

It is an amenable number.

210100021222012 is a deficient number, since it is larger than the sum of its proper divisors (157575015916516).

210100021222012 is a wasteful number, since it uses less digits than its factorization.

210100021222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52525005305507 (or 52525005305505 counting only the distinct ones).

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

Adding to 210100021222012 its reverse (210222120001012), we get a palindrome (420322141223024).

The spelling of 210100021222012 in words is "two hundred ten trillion, one hundred billion, twenty-one million, two hundred twenty-two thousand, twelve".