1011000012212 has 24 divisors (see below), whose sum is σ = 1798363329672. Its totient is φ = 497182924800.

The previous prime is 1011000012181. The next prime is 1011000012241. The reversal of 1011000012212 is 2122100001101.

It can be written as a sum of positive squares in 4 ways, for example, as 154790312356 + 856209699856 = 393434^2 + 925316^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1011000012193 and 1011000012202.

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, 4205012 + ... + 4438932.

It is an arithmetic number, because the mean of its divisors is an integer number (74931805403).

Almost surely, 2^{1011000012212} is an apocalyptic number.

It is an amenable number.

1011000012212 is a deficient number, since it is larger than the sum of its proper divisors (787363317460).

1011000012212 is a wasteful number, since it uses less digits than its factorization.

1011000012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251699 (or 251697 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1011000012212 its reverse (2122100001101), we get a palindrome (3133100013313).

The spelling of 1011000012212 in words is "one trillion, eleven billion, twelve thousand, two hundred twelve".