1000121202212 has 12 divisors (see below), whose sum is σ = 1909322295216. Its totient is φ = 454600546440.

The previous prime is 1000121202181. The next prime is 1000121202233. The reversal of 1000121202212 is 2122021210001.

It is a super-2 number, since 2×1000121202212² (a number of 25 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 11365013618 + ... + 11365013705.

It is an arithmetic number, because the mean of its divisors is an integer number (159110191268).

Almost surely, 2^{1000121202212} is an apocalyptic number.

It is an amenable number.

1000121202212 is a deficient number, since it is larger than the sum of its proper divisors (909201093004).

1000121202212 is a wasteful number, since it uses less digits than its factorization.

1000121202212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22730027338 (or 22730027336 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1000121202212 its reverse (2122021210001), we get a palindrome (3122142412213).

The spelling of 1000121202212 in words is "one trillion, one hundred twenty-one million, two hundred two thousand, two hundred twelve".