12315144350 has 24 divisors (see below), whose sum is σ = 23696039160. Its totient is φ = 4756193120.

The previous prime is 12315144341. The next prime is 12315144353. The reversal of 12315144350 is 5344151321.

It is a super-2 number, since 2×12315144350² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12315144353) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4245152 + ... + 4248051.

It is an arithmetic number, because the mean of its divisors is an integer number (987334965).

Almost surely, 2^12315144350 is an apocalyptic number.

12315144350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12315144350 is a deficient number, since it is larger than the sum of its proper divisors (11380894810).

12315144350 is a wasteful number, since it uses less digits than its factorization.

12315144350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8493244 (or 8493239 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 12315144350 its reverse (5344151321), we get a palindrome (17659295671).

The spelling of 12315144350 in words is "twelve billion, three hundred fifteen million, one hundred forty-four thousand, three hundred fifty".