211233023312 has 10 divisors (see below), whose sum is σ = 409263982698. Its totient is φ = 105616511648.

The previous prime is 211233023311. The next prime is 211233023327. The reversal of 211233023312 is 213320332112.

It can be written as a sum of positive squares in only one way, i.e., 155595535936 + 55637487376 = 394456^2 + 235876^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211233023311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6601031963 + ... + 6601031994.

Almost surely, 2^211233023312 is an apocalyptic number.

It is an amenable number.

211233023312 is a deficient number, since it is larger than the sum of its proper divisors (198030959386).

211233023312 is a wasteful number, since it uses less digits than its factorization.

211233023312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13202063965 (or 13202063959 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 211233023312 its reverse (213320332112), we get a palindrome (424553355424).

The spelling of 211233023312 in words is "two hundred eleven billion, two hundred thirty-three million, twenty-three thousand, three hundred twelve".