1232031440020 has 12 divisors (see below), whose sum is σ = 2587266024084. Its totient is φ = 492812576000.

The previous prime is 1232031439993. The next prime is 1232031440039. The reversal of 1232031440020 is 200441302321.

It can be written as a sum of positive squares in 2 ways, for example, as 129896809744 + 1102134630276 = 360412^2 + 1049826^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1232031439973 and 1232031440000.

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 3 ways as a sum of consecutive naturals, for example, 30800785981 + ... + 30800786020.

It is an arithmetic number, because the mean of its divisors is an integer number (215605502007).

Almost surely, 2^{1232031440020} is an apocalyptic number.

1232031440020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1232031440020 is an abundant number, since it is smaller than the sum of its proper divisors (1355234584064).

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

1232031440020 is a wasteful number, since it uses less digits than its factorization.

1232031440020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61601572010 (or 61601572008 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 1232031440020 its reverse (200441302321), we get a palindrome (1432472742341).

The spelling of 1232031440020 in words is "one trillion, two hundred thirty-two billion, thirty-one million, four hundred forty thousand, twenty".