12252305303040 has 160 divisors (see below), whose sum is σ = 42729915038976. Its totient is φ = 2970255810560.

The previous prime is 12252305303009. The next prime is 12252305303057. The reversal of 12252305303040 is 4030350325221.

It is a tau number, because it is divible by the number of its divisors (160).

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

It is a junction number, because it is equal to n+sod(n) for n = 12252305302989 and 12252305303007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72431532 + ... + 72600491.

Almost surely, 2^{12252305303040} is an apocalyptic number.

12252305303040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12252305303040 is an abundant number, since it is smaller than the sum of its proper divisors (30477609735936).

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

12252305303040 is a wasteful number, since it uses less digits than its factorization.

12252305303040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145032060 (or 145032044 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 12252305303040 its reverse (4030350325221), we get a palindrome (16282655628261).

The spelling of 12252305303040 in words is "twelve trillion, two hundred fifty-two billion, three hundred five million, three hundred three thousand, forty".