112021111212009 has 16 divisors (see below), whose sum is σ = 149384832006144. Its totient is φ = 74669066438400.

The previous prime is 112021111211953. The next prime is 112021111212077. The reversal of 112021111212009 is 900212111120211.

It is not a de Polignac number, because 112021111212009 - 2¹² = 112021111207913 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 112021111212009.

It is not an unprimeable number, because it can be changed into a prime (112021111216009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 643486839 + ... + 643660899.

It is an arithmetic number, because the mean of its divisors is an integer number (9336552000384).

Almost surely, 2^{112021111212009} is an apocalyptic number.

It is an amenable number.

112021111212009 is a deficient number, since it is larger than the sum of its proper divisors (37363720794135).

112021111212009 is a wasteful number, since it uses less digits than its factorization.

112021111212009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206368.

The product of its (nonzero) digits is 144, while the sum is 24.

The spelling of 112021111212009 in words is "one hundred twelve trillion, twenty-one billion, one hundred eleven million, two hundred twelve thousand, nine".