1011001011212 has 12 divisors (see below), whose sum is σ = 1770002423280. Its totient is φ = 505286033136.

The previous prime is 1011001011151. The next prime is 1011001011239. The reversal of 1011001011212 is 2121101001101.

It is a junction number, because it is equal to n+sod(n) for n = 1011001011193 and 1011001011202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53607512 + ... + 53626367.

It is an arithmetic number, because the mean of its divisors is an integer number (147500201940).

Almost surely, 2^{1011001011212} is an apocalyptic number.

It is an amenable number.

1011001011212 is a deficient number, since it is larger than the sum of its proper divisors (759001412068).

1011001011212 is a wasteful number, since it uses less digits than its factorization.

1011001011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107236240 (or 107236238 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1011001011212 its reverse (2121101001101), we get a palindrome (3132102012313).

The spelling of 1011001011212 in words is "one trillion, eleven billion, one million, eleven thousand, two hundred twelve".