1001002212212 has 6 divisors (see below), whose sum is σ = 1751753871378. Its totient is φ = 500501106104.

The previous prime is 1001002212193. The next prime is 1001002212247. The reversal of 1001002212212 is 2122122001001.

It can be written as a sum of positive squares in only one way, i.e., 707069083876 + 293933128336 = 840874^2 + 542156^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125125276523 + ... + 125125276530.

It is an arithmetic number, because the mean of its divisors is an integer number (291958978563).

Almost surely, 2^{1001002212212} is an apocalyptic number.

It is an amenable number.

1001002212212 is a deficient number, since it is larger than the sum of its proper divisors (750751659166).

1001002212212 is a wasteful number, since it uses less digits than its factorization.

1001002212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250250553057 (or 250250553055 counting only the distinct ones).

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

Adding to 1001002212212 its reverse (2122122001001), we get a palindrome (3123124213213).

The spelling of 1001002212212 in words is "one trillion, one billion, two million, two hundred twelve thousand, two hundred twelve".