1203531412240 has 40 divisors (see below), whose sum is σ = 2800005698880. Its totient is φ = 481103719296.

The previous prime is 1203531412219. The next prime is 1203531412277. The reversal of 1203531412240 is 422141353021.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 1203531412199 and 1203531412208.

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 7 ways as a sum of consecutive naturals, for example, 4700214 + ... + 4949653.

It is an arithmetic number, because the mean of its divisors is an integer number (70000142472).

Almost surely, 2^{1203531412240} is an apocalyptic number.

1203531412240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1203531412240 is an abundant number, since it is smaller than the sum of its proper divisors (1596474286640).

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

1203531412240 is a wasteful number, since it uses less digits than its factorization.

1203531412240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9651439 (or 9651433 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 1203531412240 its reverse (422141353021), we get a palindrome (1625672765261).

The spelling of 1203531412240 in words is "one trillion, two hundred three billion, five hundred thirty-one million, four hundred twelve thousand, two hundred forty".