1220102010009 has 24 divisors (see below), whose sum is σ = 1768975428480. Its totient is φ = 810353715552.

The previous prime is 1220102009981. The next prime is 1220102010019. The reversal of 1220102010009 is 9000102010221.

It is a de Polignac number, because none of the positive numbers 2^k-1220102010009 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1220102009973 and 1220102010000.

It is not an unprimeable number, because it can be changed into a prime (1220102010019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12454432 + ... + 12552014.

It is an arithmetic number, because the mean of its divisors is an integer number (73707309520).

Almost surely, 2^{1220102010009} is an apocalyptic number.

It is an amenable number.

1220102010009 is a deficient number, since it is larger than the sum of its proper divisors (548873418471).

1220102010009 is a wasteful number, since it uses less digits than its factorization.

1220102010009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102781 (or 102778 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The spelling of 1220102010009 in words is "one trillion, two hundred twenty billion, one hundred two million, ten thousand, nine".