1202022302009 has 4 divisors (see below), whose sum is σ = 1203023154420. Its totient is φ = 1201021449600.

The previous prime is 1202022302003. The next prime is 1202022302021. The reversal of 1202022302009 is 9002032202021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 496637325625 + 705384976384 = 704725^2 + 839872^2 .

It is a cyclic number.

It is not a de Polignac number, because 1202022302009 - 2⁴ = 1202022301993 is a prime.

It is a super-2 number, since 2×1202022302009² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1202022302003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500424404 + ... + 500426805.

It is an arithmetic number, because the mean of its divisors is an integer number (300755788605).

Almost surely, 2^{1202022302009} is an apocalyptic number.

It is an amenable number.

1202022302009 is a deficient number, since it is larger than the sum of its proper divisors (1000852411).

1202022302009 is a wasteful number, since it uses less digits than its factorization.

1202022302009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000852410.

The product of its (nonzero) digits is 864, while the sum is 23.

The spelling of 1202022302009 in words is "one trillion, two hundred two billion, twenty-two million, three hundred two thousand, nine".