1012221120009 has 32 divisors (see below), whose sum is σ = 1491486796800. Its totient is φ = 605532893760.

The previous prime is 1012221119939. The next prime is 1012221120011. The reversal of 1012221120009 is 9000211222101.

It is a de Polignac number, because none of the positive numbers 2^k-1012221120009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1012221124009) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 155772 + ... + 1431330.

It is an arithmetic number, because the mean of its divisors is an integer number (46608962400).

Almost surely, 2^{1012221120009} is an apocalyptic number.

It is an amenable number.

1012221120009 is a deficient number, since it is larger than the sum of its proper divisors (479265676791).

1012221120009 is a wasteful number, since it uses less digits than its factorization.

1012221120009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275885.

The product of its (nonzero) digits is 144, while the sum is 21.

The spelling of 1012221120009 in words is "one trillion, twelve billion, two hundred twenty-one million, one hundred twenty thousand, nine".