10120315305 has 16 divisors (see below), whose sum is σ = 17145005184. Its totient is φ = 5080001280.

The previous prime is 10120315301. The next prime is 10120315321. The reversal of 10120315305 is 50351302101.

It is not a de Polignac number, because 10120315305 - 2² = 10120315301 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10120315301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19843501 + ... + 19844010.

It is an arithmetic number, because the mean of its divisors is an integer number (1071562824).

Almost surely, 2^10120315305 is an apocalyptic number.

10120315305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10120315305 is a deficient number, since it is larger than the sum of its proper divisors (7024689879).

10120315305 is a wasteful number, since it uses less digits than its factorization.

10120315305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39687536.

The product of its (nonzero) digits is 450, while the sum is 21.

Adding to 10120315305 its reverse (50351302101), we get a palindrome (60471617406).

The spelling of 10120315305 in words is "ten billion, one hundred twenty million, three hundred fifteen thousand, three hundred five".