1000211201212 has 12 divisors (see below), whose sum is σ = 1771458393096. Its totient is φ = 494080231760.

The previous prime is 1000211201207. The next prime is 1000211201243. The reversal of 1000211201212 is 2121021120001.

It is a junction number, because it is equal to n+sod(n) for n = 1000211201192 and 1000211201201.

It is a congruent number.

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, 1506341839 + ... + 1506342502.

It is an arithmetic number, because the mean of its divisors is an integer number (147621532758).

Almost surely, 2^{1000211201212} is an apocalyptic number.

It is an amenable number.

1000211201212 is a deficient number, since it is larger than the sum of its proper divisors (771247191884).

1000211201212 is a wasteful number, since it uses less digits than its factorization.

1000211201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3012684428 (or 3012684426 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1000211201212 its reverse (2121021120001), we get a palindrome (3121232321213).

The spelling of 1000211201212 in words is "one trillion, two hundred eleven million, two hundred one thousand, two hundred twelve".