12103366140 has 96 divisors (see below), whose sum is σ = 37886204160. Its totient is φ = 3207739968.

The previous prime is 12103366129. The next prime is 12103366157. The reversal of 12103366140 is 4166330121.

12103366140 is a `hidden beast` number, since 1 + 2 + 10 + 3 + 36 + 614 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19267 + ... + 156773.

It is an arithmetic number, because the mean of its divisors is an integer number (394647960).

Almost surely, 2^12103366140 is an apocalyptic number.

12103366140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12103366140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18943102080).

12103366140 is an abundant number, since it is smaller than the sum of its proper divisors (25782838020).

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

12103366140 is a wasteful number, since it uses less digits than its factorization.

12103366140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137688 (or 137680 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 12103366140 its reverse (4166330121), we get a palindrome (16269696261).

The spelling of 12103366140 in words is "twelve billion, one hundred three million, three hundred sixty-six thousand, one hundred forty".