12103040334 has 32 divisors (see below), whose sum is σ = 30179010816. Its totient is φ = 3143646720.

The previous prime is 12103040291. The next prime is 12103040357. The reversal of 12103040334 is 43304030121.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 12103040334.

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 15 ways as a sum of consecutive naturals, for example, 13098067 + ... + 13098990.

It is an arithmetic number, because the mean of its divisors is an integer number (943094088).

Almost surely, 2^12103040334 is an apocalyptic number.

12103040334 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12103040334 is an abundant number, since it is smaller than the sum of its proper divisors (18075970482).

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

12103040334 is a wasteful number, since it uses less digits than its factorization.

12103040334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26197080.

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

Adding to 12103040334 its reverse (43304030121), we get a palindrome (55407070455).

The spelling of 12103040334 in words is "twelve billion, one hundred three million, forty thousand, three hundred thirty-four".