2120308015705 has 32 divisors (see below), whose sum is σ = 2836100044800. Its totient is φ = 1508721009600.

The previous prime is 2120308015673. The next prime is 2120308015717. The reversal of 2120308015705 is 5075108030212.

It is not a de Polignac number, because 2120308015705 - 2⁵ = 2120308015673 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 863665 + ... + 2233054.

It is an arithmetic number, because the mean of its divisors is an integer number (88628126400).

Almost surely, 2^{2120308015705} is an apocalyptic number.

It is an amenable number.

2120308015705 is a deficient number, since it is larger than the sum of its proper divisors (715792029095).

2120308015705 is a wasteful number, since it uses less digits than its factorization.

2120308015705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3097005.

The product of its (nonzero) digits is 16800, while the sum is 34.

The spelling of 2120308015705 in words is "two trillion, one hundred twenty billion, three hundred eight million, fifteen thousand, seven hundred five".