1001100212212 has 24 divisors (see below), whose sum is σ = 1794561110496. Its totient is φ = 488393054688.

The previous prime is 1001100212179. The next prime is 1001100212251. The reversal of 1001100212212 is 2122120011001.

It is a super-2 number, since 2×1001100212212² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1001100212192 and 1001100212201.

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 7 ways as a sum of consecutive naturals, for example, 2910163 + ... + 3235930.

It is an arithmetic number, because the mean of its divisors is an integer number (74773379604).

Almost surely, 2^{1001100212212} is an apocalyptic number.

It is an amenable number.

1001100212212 is a deficient number, since it is larger than the sum of its proper divisors (793460898284).

1001100212212 is a wasteful number, since it uses less digits than its factorization.

1001100212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6147087 (or 6147085 counting only the distinct ones).

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

Adding to 1001100212212 its reverse (2122120011001), we get a palindrome (3123220223213).

The spelling of 1001100212212 in words is "one trillion, one billion, one hundred million, two hundred twelve thousand, two hundred twelve".