1232501315520 has 112 divisors (see below), whose sum is σ = 3960338820480. Its totient is φ = 324707152896.

The previous prime is 1232501315501. The next prime is 1232501315597. The reversal of 1232501315520 is 255131052321.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7654390 + ... + 7813749.

It is an arithmetic number, because the mean of its divisors is an integer number (35360168040).

Almost surely, 2^{1232501315520} is an apocalyptic number.

1232501315520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1232501315520 is an abundant number, since it is smaller than the sum of its proper divisors (2727837504960).

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

1232501315520 is a wasteful number, since it uses less digits than its factorization.

1232501315520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15468242 (or 15468232 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 1232501315520 its reverse (255131052321), we get a palindrome (1487632367841).

The spelling of 1232501315520 in words is "one trillion, two hundred thirty-two billion, five hundred one million, three hundred fifteen thousand, five hundred twenty".