1001000120212 has 6 divisors (see below), whose sum is σ = 1751750210378. Its totient is φ = 500500060104.

The previous prime is 1001000120203. The next prime is 1001000120227. The reversal of 1001000120212 is 2120210001001.

It can be written as a sum of positive squares in only one way, i.e., 534191421456 + 466808698756 = 730884^2 + 683234^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125125015023 + ... + 125125015030.

Almost surely, 2^{1001000120212} is an apocalyptic number.

It is an amenable number.

1001000120212 is a deficient number, since it is larger than the sum of its proper divisors (750750090166).

1001000120212 is a wasteful number, since it uses less digits than its factorization.

1001000120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250250030057 (or 250250030055 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1001000120212 its reverse (2120210001001), we get a palindrome (3121210121213).

The spelling of 1001000120212 in words is "one trillion, one billion, one hundred twenty thousand, two hundred twelve".