1202110001009 has 4 divisors (see below), whose sum is σ = 1202143522800. Its totient is φ = 1202076479220.

The previous prime is 1202110001003. The next prime is 1202110001011. The reversal of 1202110001009 is 9001000112021.

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 1202110001009 - 2³² = 1197815033713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1202110001003) 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, 16707047 + ... + 16778844.

It is an arithmetic number, because the mean of its divisors is an integer number (300535880700).

Almost surely, 2^{1202110001009} is an apocalyptic number.

It is an amenable number.

1202110001009 is a deficient number, since it is larger than the sum of its proper divisors (33521791).

1202110001009 is an equidigital number, since it uses as much as digits as its factorization.

1202110001009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33521790.

The product of its (nonzero) digits is 36, while the sum is 17.

The spelling of 1202110001009 in words is "one trillion, two hundred two billion, one hundred ten million, one thousand, nine".