10220121212012 has 12 divisors (see below), whose sum is σ = 18501943573680. Its totient is φ = 4933851619536.

The previous prime is 10220121212003. The next prime is 10220121212033. The reversal of 10220121212012 is 21021212102201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44052246488 + ... + 44052246719.

It is an arithmetic number, because the mean of its divisors is an integer number (1541828631140).

Almost surely, 2^{10220121212012} is an apocalyptic number.

It is an amenable number.

10220121212012 is a deficient number, since it is larger than the sum of its proper divisors (8281822361668).

10220121212012 is a wasteful number, since it uses less digits than its factorization.

10220121212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88104493240 (or 88104493238 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 10220121212012 its reverse (21021212102201), we get a palindrome (31241333314213).

The spelling of 10220121212012 in words is "ten trillion, two hundred twenty billion, one hundred twenty-one million, two hundred twelve thousand, twelve".