1243003412032 has 28 divisors (see below), whose sum is σ = 2475754390620. Its totient is φ = 619191282176.

The previous prime is 1243003412003. The next prime is 1243003412041. The reversal of 1243003412032 is 2302143003421.

It can be written as a sum of positive squares in 2 ways, for example, as 748321883136 + 494681528896 = 865056^2 + 703336^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1243003411988 and 1243003412006.

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 3 ways as a sum of consecutive naturals, for example, 36083023 + ... + 36117454.

It is an arithmetic number, because the mean of its divisors is an integer number (88419799665).

Almost surely, 2^{1243003412032} is an apocalyptic number.

It is an amenable number.

1243003412032 is a deficient number, since it is larger than the sum of its proper divisors (1232750978588).

1243003412032 is an equidigital number, since it uses as much as digits as its factorization.

1243003412032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72200758 (or 72200748 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 1243003412032 its reverse (2302143003421), we get a palindrome (3545146415453).

The spelling of 1243003412032 in words is "one trillion, two hundred forty-three billion, three million, four hundred twelve thousand, thirty-two".