10212221212012 has 24 divisors (see below), whose sum is σ = 19120379672240. Its totient is φ = 4758066826560.

The previous prime is 10212221211883. The next prime is 10212221212033. The reversal of 10212221212012 is 21021212221201.

It is a Harshad number since it is a multiple of its sum of digits (19).

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, 1101399723 + ... + 1101408994.

Almost surely, 2^{10212221212012} is an apocalyptic number.

It is an amenable number.

10212221212012 is a deficient number, since it is larger than the sum of its proper divisors (8908158460228).

10212221212012 is a wasteful number, since it uses less digits than its factorization.

10212221212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2202808801 (or 2202808799 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 10212221212012 its reverse (21021212221201), we get a palindrome (31233433433213).

The spelling of 10212221212012 in words is "ten trillion, two hundred twelve billion, two hundred twenty-one million, two hundred twelve thousand, twelve".