1000043321232 has 80 divisors (see below), whose sum is σ = 2643772017920. Its totient is φ = 325565122176.

The previous prime is 1000043321203. The next prime is 1000043321239. The reversal of 1000043321232 is 2321233400001.

1000043321232 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1000043321199 and 1000043321208.

It is not an unprimeable number, because it can be changed into a prime (1000043321239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36038019 + ... + 36065757.

It is an arithmetic number, because the mean of its divisors is an integer number (33047150224).

Almost surely, 2^{1000043321232} is an apocalyptic number.

1000043321232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1000043321232 is an abundant number, since it is smaller than the sum of its proper divisors (1643728696688).

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

1000043321232 is a wasteful number, since it uses less digits than its factorization.

1000043321232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45260 (or 45254 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 1000043321232 its reverse (2321233400001), we get a palindrome (3321276721233).

The spelling of 1000043321232 in words is "one trillion, forty-three million, three hundred twenty-one thousand, two hundred thirty-two".