1202120022009 has 8 divisors (see below), whose sum is σ = 1602833182432. Its totient is φ = 801410104800.

The previous prime is 1202120021987. The next prime is 1202120022013. The reversal of 1202120022009 is 9002200212021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1202120022009 - 2¹⁶ = 1202119956473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1202120022029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253734 + ... + 1571184.

It is an arithmetic number, because the mean of its divisors is an integer number (200354147804).

Almost surely, 2^{1202120022009} is an apocalyptic number.

It is an amenable number.

1202120022009 is a deficient number, since it is larger than the sum of its proper divisors (400713160423).

1202120022009 is a wasteful number, since it uses less digits than its factorization.

1202120022009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1621607.

The product of its (nonzero) digits is 288, while the sum is 21.

The spelling of 1202120022009 in words is "one trillion, two hundred two billion, one hundred twenty million, twenty-two thousand, nine".