1243500130330 has 64 divisors (see below), whose sum is σ = 2492574778368. Its totient is φ = 444491873280.

The previous prime is 1243500130321. The next prime is 1243500130333. The reversal of 1243500130330 is 330310053421.

It is a junction number, because it is equal to n+sod(n) for n = 1243500130295 and 1243500130304.

It is not an unprimeable number, because it can be changed into a prime (1243500130333) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1946712 + ... + 2505331.

It is an arithmetic number, because the mean of its divisors is an integer number (38946480912).

Almost surely, 2^{1243500130330} is an apocalyptic number.

1243500130330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1243500130330 is an abundant number, since it is smaller than the sum of its proper divisors (1249074648038).

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

1243500130330 is a wasteful number, since it uses less digits than its factorization.

1243500130330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4452151.

The product of its (nonzero) digits is 3240, while the sum is 25.

Adding to 1243500130330 its reverse (330310053421), we get a palindrome (1573810183751).

The spelling of 1243500130330 in words is "one trillion, two hundred forty-three billion, five hundred million, one hundred thirty thousand, three hundred thirty".