233511421012 has 12 divisors (see below), whose sum is σ = 408649071040. Its totient is φ = 116754543576.

The previous prime is 233511420983. The next prime is 233511421027. The reversal of 233511421012 is 210124115332.

233511421012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3 ways as a sum of consecutive naturals, for example, 285343 + ... + 740569.

Almost surely, 2^233511421012 is an apocalyptic number.

It is an amenable number.

233511421012 is a deficient number, since it is larger than the sum of its proper divisors (175137650028).

233511421012 is a wasteful number, since it uses less digits than its factorization.

233511421012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583470 (or 583468 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 233511421012 its reverse (210124115332), we get a palindrome (443635536344).

The spelling of 233511421012 in words is "two hundred thirty-three billion, five hundred eleven million, four hundred twenty-one thousand, twelve".