1202112002209 has 4 divisors (see below), whose sum is σ = 1202971268800. Its totient is φ = 1201252735620.

The previous prime is 1202112002177. The next prime is 1202112002233. The reversal of 1202112002209 is 9022002112021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1202112002209 - 2⁵ = 1202112002177 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1202112002209.

It is not an unprimeable number, because it can be changed into a prime (1202112002009) 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, 429631197 + ... + 429633994.

It is an arithmetic number, because the mean of its divisors is an integer number (300742817200).

Almost surely, 2^{1202112002209} is an apocalyptic number.

It is an amenable number.

1202112002209 is a deficient number, since it is larger than the sum of its proper divisors (859266591).

1202112002209 is an equidigital number, since it uses as much as digits as its factorization.

1202112002209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859266590.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 1202112002209 in words is "one trillion, two hundred two billion, one hundred twelve million, two thousand, two hundred nine".