12315205505150 has 12 divisors (see below), whose sum is σ = 22906282239672. Its totient is φ = 4926082202040.

The previous prime is 12315205505137. The next prime is 12315205505159. The reversal of 12315205505150 is 5150550251321.

It is a super-3 number, since 3×12315205505150³ (a number of 40 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12315205505150.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12315205505159) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 123152055002 + ... + 123152055101.

It is an arithmetic number, because the mean of its divisors is an integer number (1908856853306).

Almost surely, 2^{12315205505150} is an apocalyptic number.

12315205505150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12315205505150 is a deficient number, since it is larger than the sum of its proper divisors (10591076734522).

12315205505150 is a wasteful number, since it uses less digits than its factorization.

12315205505150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246304110115 (or 246304110110 counting only the distinct ones).

The product of its (nonzero) digits is 37500, while the sum is 35.

Adding to 12315205505150 its reverse (5150550251321), we get a palindrome (17465755756471).

The spelling of 12315205505150 in words is "twelve trillion, three hundred fifteen billion, two hundred five million, five hundred five thousand, one hundred fifty".