10120210010209 has 4 divisors (see below), whose sum is σ = 10898687703316. Its totient is φ = 9341732317104.

The previous prime is 10120210010203. The next prime is 10120210010227. The reversal of 10120210010209 is 90201001202101.

It is a happy number.

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 5092063033600 + 5028146976609 = 2256560^2 + 2242353^2 .

It is a cyclic number.

It is not a de Polignac number, because 10120210010209 - 2⁹ = 10120210009697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10120210010203) 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, 389238846534 + ... + 389238846559.

It is an arithmetic number, because the mean of its divisors is an integer number (2724671925829).

Almost surely, 2^{10120210010209} is an apocalyptic number.

It is an amenable number.

10120210010209 is a deficient number, since it is larger than the sum of its proper divisors (778477693107).

10120210010209 is an equidigital number, since it uses as much as digits as its factorization.

10120210010209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778477693106.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 10120210010209 in words is "ten trillion, one hundred twenty billion, two hundred ten million, ten thousand, two hundred nine".