1209110109122 has 16 divisors (see below), whose sum is σ = 1920413642400. Its totient is φ = 568974535488.

The previous prime is 1209110109083. The next prime is 1209110109127. The reversal of 1209110109122 is 2219010119021.

It is a super-2 number, since 2×1209110109122² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1209110109127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 516833 + ... + 1638699.

It is an arithmetic number, because the mean of its divisors is an integer number (120025852650).

Almost surely, 2^{1209110109122} is an apocalyptic number.

1209110109122 is a deficient number, since it is larger than the sum of its proper divisors (711303533278).

1209110109122 is a wasteful number, since it uses less digits than its factorization.

1209110109122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153585.

The product of its (nonzero) digits is 648, while the sum is 29.

The spelling of 1209110109122 in words is "one trillion, two hundred nine billion, one hundred ten million, one hundred nine thousand, one hundred twenty-two".