12653122350 has 48 divisors (see below), whose sum is σ = 34232451840. Its totient is φ = 3067423200.

The previous prime is 12653122297. The next prime is 12653122369. The reversal of 12653122350 is 5322135621.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 3832630 + ... + 3835929.

It is an arithmetic number, because the mean of its divisors is an integer number (713176080).

Almost surely, 2^12653122350 is an apocalyptic number.

12653122350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12653122350 is an abundant number, since it is smaller than the sum of its proper divisors (21579329490).

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

12653122350 is a wasteful number, since it uses less digits than its factorization.

12653122350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7668585 (or 7668580 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 12653122350 its reverse (5322135621), we get a palindrome (17975257971).

The spelling of 12653122350 in words is "twelve billion, six hundred fifty-three million, one hundred twenty-two thousand, three hundred fifty".