211223303312 has 40 divisors (see below), whose sum is σ = 468983245056. Its totient is φ = 90277595136.

The previous prime is 211223303267. The next prime is 211223303393. The reversal of 211223303312 is 213303322112.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2528273 + ... + 2610480.

Almost surely, 2^211223303312 is an apocalyptic number.

It is an amenable number.

211223303312 is an abundant number, since it is smaller than the sum of its proper divisors (257759941744).

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

211223303312 is a wasteful number, since it uses less digits than its factorization.

211223303312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5139135 (or 5139129 counting only the distinct ones).

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

Adding to 211223303312 its reverse (213303322112), we get a palindrome (424526625424).

The spelling of 211223303312 in words is "two hundred eleven billion, two hundred twenty-three million, three hundred three thousand, three hundred twelve".