1012110201209 has 4 divisors (see below), whose sum is σ = 1018170741504. Its totient is φ = 1006049660916.

The previous prime is 1012110201203. The next prime is 1012110201217. The reversal of 1012110201209 is 9021020112101.

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 1012110201209 - 2³² = 1007815233913 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1012110201203) 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, 3030269897 + ... + 3030270230.

It is an arithmetic number, because the mean of its divisors is an integer number (254542685376).

Almost surely, 2^{1012110201209} is an apocalyptic number.

It is an amenable number.

1012110201209 is a deficient number, since it is larger than the sum of its proper divisors (6060540295).

1012110201209 is an equidigital number, since it uses as much as digits as its factorization.

1012110201209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6060540294.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 1012110201209 in words is "one trillion, twelve billion, one hundred ten million, two hundred one thousand, two hundred nine".