211031212032 has 240 divisors, whose sum is σ = 634159411200. Its totient is φ = 69342658560.

The previous prime is 211031211983. The next prime is 211031212039. The reversal of 211031212032 is 230212130112.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 211031211996 and 211031212014.

It is not an unprimeable number, because it can be changed into a prime (211031212039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31404769 + ... + 31411487.

It is an arithmetic number, because the mean of its divisors is an integer number (2642330880).

Almost surely, 2^211031212032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211031212032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (317079705600).

211031212032 is an abundant number, since it is smaller than the sum of its proper divisors (423128199168).

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

211031212032 is an frugal number, since it uses more digits than its factorization.

211031212032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6827 (or 6795 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 211031212032 its reverse (230212130112), we get a palindrome (441243342144).

The spelling of 211031212032 in words is "two hundred eleven billion, thirty-one million, two hundred twelve thousand, thirty-two".