10121440206 has 64 divisors (see below), whose sum is σ = 21200716800. Its totient is φ = 3218092416.

The previous prime is 10121440159. The next prime is 10121440207. The reversal of 10121440206 is 60204412101.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121440207) 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 31 ways as a sum of consecutive naturals, for example, 6063540 + ... + 6065208.

It is an arithmetic number, because the mean of its divisors is an integer number (331261200).

Almost surely, 2^10121440206 is an apocalyptic number.

10121440206 is an abundant number, since it is smaller than the sum of its proper divisors (11079276594).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10121440206 is a wasteful number, since it uses less digits than its factorization.

10121440206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2233.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 10121440206 its reverse (60204412101), we get a palindrome (70325852307).

The spelling of 10121440206 in words is "ten billion, one hundred twenty-one million, four hundred forty thousand, two hundred six".