12103301212340 has 96 divisors (see below), whose sum is σ = 27859275924480. Its totient is φ = 4389943574016.

The previous prime is 12103301212309. The next prime is 12103301212357. The reversal of 12103301212340 is 4321210330121.

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, 2550809 + ... + 5541951.

It is an arithmetic number, because the mean of its divisors is an integer number (290200790880).

Almost surely, 2^{12103301212340} is an apocalyptic number.

12103301212340 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 12103301212340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13929637962240).

12103301212340 is an abundant number, since it is smaller than the sum of its proper divisors (15755974712140).

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

12103301212340 is a wasteful number, since it uses less digits than its factorization.

12103301212340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2991441 (or 2991439 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 12103301212340 its reverse (4321210330121), we get a palindrome (16424511542461).

The spelling of 12103301212340 in words is "twelve trillion, one hundred three billion, three hundred one million, two hundred twelve thousand, three hundred forty".