12103433400 has 96 divisors (see below), whose sum is σ = 37871504640. Its totient is φ = 3197400960.

The previous prime is 12103433399. The next prime is 12103433411. The reversal of 12103433400 is 433430121.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 30064 + ... + 158463.

It is an arithmetic number, because the mean of its divisors is an integer number (394494840).

Almost surely, 2^12103433400 is an apocalyptic number.

12103433400 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 12103433400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18935752320).

12103433400 is an abundant number, since it is smaller than the sum of its proper divisors (25768071240).

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

12103433400 is a wasteful number, since it uses less digits than its factorization.

12103433400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188653 (or 188644 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 12103433400 its reverse (433430121), we get a palindrome (12536863521).

The spelling of 12103433400 in words is "twelve billion, one hundred three million, four hundred thirty-three thousand, four hundred".