10120212105 has 16 divisors (see below), whose sum is σ = 16714673664. Its totient is φ = 5223335040.

The previous prime is 10120212103. The next prime is 10120212119. The reversal of 10120212105 is 50121202101.

10120212105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10120212105 - 2¹ = 10120212103 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (10120212103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10881484 + ... + 10882413.

It is an arithmetic number, because the mean of its divisors is an integer number (1044667104).

Almost surely, 2^10120212105 is an apocalyptic number.

10120212105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10120212105 is a deficient number, since it is larger than the sum of its proper divisors (6594461559).

10120212105 is a wasteful number, since it uses less digits than its factorization.

10120212105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21763936.

The product of its (nonzero) digits is 40, while the sum is 15.

Adding to 10120212105 its reverse (50121202101), we get a palindrome (60241414206).

The spelling of 10120212105 in words is "ten billion, one hundred twenty million, two hundred twelve thousand, one hundred five".