1210102000009 has 4 divisors (see below), whose sum is σ = 1382973714304. Its totient is φ = 1037230285716.

The previous prime is 1210101999949. The next prime is 1210102000067. The reversal of 1210102000009 is 9000002010121.

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 1210102000009 - 2²⁷ = 1209967782281 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1210101999956 and 1210102000001.

It is not an unprimeable number, because it can be changed into a prime (1210102000609) 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, 86435857137 + ... + 86435857150.

It is an arithmetic number, because the mean of its divisors is an integer number (345743428576).

Almost surely, 2^{1210102000009} is an apocalyptic number.

It is an amenable number.

1210102000009 is a deficient number, since it is larger than the sum of its proper divisors (172871714295).

1210102000009 is an equidigital number, since it uses as much as digits as its factorization.

1210102000009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172871714294.

The product of its (nonzero) digits is 36, while the sum is 16.

The spelling of 1210102000009 in words is "one trillion, two hundred ten billion, one hundred two million, nine", and thus it is an aban number.