232143021012 has 48 divisors (see below), whose sum is σ = 619525639040. Its totient is φ = 66275407872.

The previous prime is 232143020983. The next prime is 232143021029. The reversal of 232143021012 is 210120341232.

232143021012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 232143021012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 956437 + ... + 1174332.

Almost surely, 2^232143021012 is an apocalyptic number.

It is an amenable number.

232143021012 is an abundant number, since it is smaller than the sum of its proper divisors (387382618028).

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

232143021012 is a wasteful number, since it uses less digits than its factorization.

232143021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2132080 (or 2132078 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 232143021012 its reverse (210120341232), we get a palindrome (442263362244).

The spelling of 232143021012 in words is "two hundred thirty-two billion, one hundred forty-three million, twenty-one thousand, twelve".