12301420345040 has 160 divisors (see below), whose sum is σ = 29145712840704. Its totient is φ = 4827794227200.

The previous prime is 12301420345013. The next prime is 12301420345043. The reversal of 12301420345040 is 4054302410321.

It is a junction number, because it is equal to n+sod(n) for n = 12301420344994 and 12301420345012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12301420345043) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 930720512 + ... + 930733728.

Almost surely, 2^{12301420345040} is an apocalyptic number.

12301420345040 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 12301420345040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14572856420352).

12301420345040 is an abundant number, since it is smaller than the sum of its proper divisors (16844292495664).

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

12301420345040 is a wasteful number, since it uses less digits than its factorization.

12301420345040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14365 (or 14359 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 12301420345040 its reverse (4054302410321), we get a palindrome (16355722755361).

The spelling of 12301420345040 in words is "twelve trillion, three hundred one billion, four hundred twenty million, three hundred forty-five thousand, forty".