233121002012 has 6 divisors (see below), whose sum is σ = 407961753528. Its totient is φ = 116560501004.

The previous prime is 233121002011. The next prime is 233121002017. The reversal of 233121002012 is 210200121332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233121002011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29140125248 + ... + 29140125255.

It is an arithmetic number, because the mean of its divisors is an integer number (67993625588).

Almost surely, 2^233121002012 is an apocalyptic number.

It is an amenable number.

233121002012 is a deficient number, since it is larger than the sum of its proper divisors (174840751516).

233121002012 is a wasteful number, since it uses less digits than its factorization.

233121002012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58280250507 (or 58280250505 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 233121002012 its reverse (210200121332), we get a palindrome (443321123344).

The spelling of 233121002012 in words is "two hundred thirty-three billion, one hundred twenty-one million, two thousand, twelve".