10120002012109 has 16 divisors (see below), whose sum is σ = 11765108736000. Its totient is φ = 8612767659760.

The previous prime is 10120002012091. The next prime is 10120002012149. The reversal of 10120002012109 is 90121020002101.

It is a happy number.

It is not a de Polignac number, because 10120002012109 - 2²⁹ = 10119465141197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10120002012149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 425520109 + ... + 425543890.

It is an arithmetic number, because the mean of its divisors is an integer number (735319296000).

Almost surely, 2^{10120002012109} is an apocalyptic number.

It is an amenable number.

10120002012109 is a deficient number, since it is larger than the sum of its proper divisors (1645106723891).

10120002012109 is a wasteful number, since it uses less digits than its factorization.

10120002012109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851064080.

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

The spelling of 10120002012109 in words is "ten trillion, one hundred twenty billion, two million, twelve thousand, one hundred nine".