12315501343140 has 96 divisors (see below), whose sum is σ = 36145961824896. Its totient is φ = 3129520450560.

The previous prime is 12315501343139. The next prime is 12315501343147. The reversal of 12315501343140 is 4134310551321.

It is not an unprimeable number, because it can be changed into a prime (12315501343147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58107027 + ... + 58318586.

It is an arithmetic number, because the mean of its divisors is an integer number (376520435676).

Almost surely, 2^{12315501343140} is an apocalyptic number.

12315501343140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12315501343140 is an abundant number, since it is smaller than the sum of its proper divisors (23830460481756).

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

12315501343140 is a wasteful number, since it uses less digits than its factorization.

12315501343140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116425709 (or 116425707 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

Adding to 12315501343140 its reverse (4134310551321), we get a palindrome (16449811894461).

The spelling of 12315501343140 in words is "twelve trillion, three hundred fifteen billion, five hundred one million, three hundred forty-three thousand, one hundred forty".