211322013312 has 32 divisors (see below), whose sum is σ = 561324098880. Its totient is φ = 70440670976.

The previous prime is 211322013281. The next prime is 211322013319. The reversal of 211322013312 is 213310223112.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (211322013319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275158488 + ... + 275159255.

It is an arithmetic number, because the mean of its divisors is an integer number (17541378090).

Almost surely, 2^211322013312 is an apocalyptic number.

It is an amenable number.

211322013312 is an abundant number, since it is smaller than the sum of its proper divisors (350002085568).

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

211322013312 is an equidigital number, since it uses as much as digits as its factorization.

211322013312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550317760 (or 550317748 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 211322013312 its reverse (213310223112), we get a palindrome (424632236424).

The spelling of 211322013312 in words is "two hundred eleven billion, three hundred twenty-two million, thirteen thousand, three hundred twelve".