12103422140 has 24 divisors (see below), whose sum is σ = 25957979712. Its totient is φ = 4738360640.

The previous prime is 12103422137. The next prime is 12103422143. The reversal of 12103422140 is 4122430121.

12103422140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12103422137) and next prime (12103422143).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12103422143) 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 7 ways as a sum of consecutive naturals, for example, 6437051 + ... + 6438930.

It is an arithmetic number, because the mean of its divisors is an integer number (1081582488).

Almost surely, 2^12103422140 is an apocalyptic number.

12103422140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12103422140 is an abundant number, since it is smaller than the sum of its proper divisors (13854557572).

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

12103422140 is a wasteful number, since it uses less digits than its factorization.

12103422140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12876037 (or 12876035 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12103422140 its reverse (4122430121), we get a palindrome (16225852261).

The spelling of 12103422140 in words is "twelve billion, one hundred three million, four hundred twenty-two thousand, one hundred forty".