911000021212012 has 48 divisors (see below), whose sum is σ = 1648621867640832. Its totient is φ = 440017909050240.

The previous prime is 911000021211991. The next prime is 911000021212091. The reversal of 911000021212012 is 210212120000119.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 860771553 + ... + 861829255.

It is an arithmetic number, because the mean of its divisors is an integer number (34346288909184).

Almost surely, 2^{911000021212012} is an apocalyptic number.

It is an amenable number.

911000021212012 is a deficient number, since it is larger than the sum of its proper divisors (737621846428820).

911000021212012 is a wasteful number, since it uses less digits than its factorization.

911000021212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070158 (or 1070156 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 911000021212012 in words is "nine hundred eleven trillion, twenty-one million, two hundred twelve thousand, twelve".