233121120212 has 6 divisors (see below), whose sum is σ = 407961960378. Its totient is φ = 116560560104.

The previous prime is 233121120187. The next prime is 233121120223. The reversal of 233121120212 is 212021121332.

It can be written as a sum of positive squares in only one way, i.e., 196580503876 + 36540616336 = 443374^2 + 191156^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29140140023 + ... + 29140140030.

It is an arithmetic number, because the mean of its divisors is an integer number (67993660063).

Almost surely, 2^233121120212 is an apocalyptic number.

It is an amenable number.

233121120212 is a deficient number, since it is larger than the sum of its proper divisors (174840840166).

233121120212 is a wasteful number, since it uses less digits than its factorization.

233121120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58280280057 (or 58280280055 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 233121120212 its reverse (212021121332), we get a palindrome (445142241544).

It can be divided in two parts, 233121120 and 212, that added together give a palindrome (233121332).

The spelling of 233121120212 in words is "two hundred thirty-three billion, one hundred twenty-one million, one hundred twenty thousand, two hundred twelve".