1222000112109 has 64 divisors (see below), whose sum is σ = 1922305370112. Its totient is φ = 675911174400.

The previous prime is 1222000112063. The next prime is 1222000112159. The reversal of 1222000112109 is 9012110002221.

It is not a de Polignac number, because 1222000112109 - 2²⁰ = 1221999063533 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222000112159) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 126273979 + ... + 126283655.

It is an arithmetic number, because the mean of its divisors is an integer number (30036021408).

Almost surely, 2^{1222000112109} is an apocalyptic number.

It is an amenable number.

1222000112109 is a deficient number, since it is larger than the sum of its proper divisors (700305258003).

1222000112109 is a wasteful number, since it uses less digits than its factorization.

1222000112109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10546.

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

The spelling of 1222000112109 in words is "one trillion, two hundred twenty-two billion, one hundred twelve thousand, one hundred nine".