1000232231312 has 40 divisors (see below), whose sum is σ = 2053456992960. Its totient is φ = 470656483200.

The previous prime is 1000232231261. The next prime is 1000232231393. The reversal of 1000232231312 is 2131322320001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10848923 + ... + 10940730.

It is an arithmetic number, because the mean of its divisors is an integer number (51336424824).

Almost surely, 2^{1000232231312} is an apocalyptic number.

It is an amenable number.

1000232231312 is an abundant number, since it is smaller than the sum of its proper divisors (1053224761648).

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

1000232231312 is a wasteful number, since it uses less digits than its factorization.

1000232231312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21789831 (or 21789825 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1000232231312 its reverse (2131322320001), we get a palindrome (3131554551313).

The spelling of 1000232231312 in words is "one trillion, two hundred thirty-two million, two hundred thirty-one thousand, three hundred twelve".