120012002102105 has 8 divisors (see below), whose sum is σ = 144014500227912. Its totient is φ = 96009536544768.

The previous prime is 120012002102093. The next prime is 120012002102141. The reversal of 120012002102105 is 501201200210021.

It can be written as a sum of positive squares in 4 ways, for example, as 2352336915289 + 117659665186816 = 1533733^2 + 10847104^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120012002102105 - 2¹⁰ = 120012002101081 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 871907 + ... + 15517223.

It is an arithmetic number, because the mean of its divisors is an integer number (18001812528489).

Almost surely, 2^{120012002102105} is an apocalyptic number.

It is an amenable number.

120012002102105 is a deficient number, since it is larger than the sum of its proper divisors (24002498125807).

120012002102105 is a wasteful number, since it uses less digits than its factorization.

120012002102105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16284235.

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 120012002102105 its reverse (501201200210021), we get a palindrome (621213202312126).

The spelling of 120012002102105 in words is "one hundred twenty trillion, twelve billion, two million, one hundred two thousand, one hundred five".