10120340232 has 80 divisors (see below), whose sum is σ = 28664984700. Its totient is φ = 3335523840.

The previous prime is 10120340231. The next prime is 10120340249. The reversal of 10120340232 is 23204302101.

It can be written as a sum of positive squares in 2 ways, for example, as 7884374436 + 2235965796 = 88794^2 + 47286^2 .

It is a super-2 number, since 2×10120340232² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (10120340231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 30069 + ... + 145412.

Almost surely, 2^10120340232 is an apocalyptic number.

10120340232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10120340232 is an abundant number, since it is smaller than the sum of its proper divisors (18544644468).

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

10120340232 is a wasteful number, since it uses less digits than its factorization.

10120340232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175588 (or 175575 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 10120340232 its reverse (23204302101), we get a palindrome (33324642333).

The spelling of 10120340232 in words is "ten billion, one hundred twenty million, three hundred forty thousand, two hundred thirty-two".