211013012304 has 160 divisors (see below), whose sum is σ = 640772480000. Its totient is φ = 66300322176.

The previous prime is 211013012303. The next prime is 211013012311. The reversal of 211013012304 is 403210310112.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211013012303) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1568799 + ... + 1697985.

It is an arithmetic number, because the mean of its divisors is an integer number (4004828000).

Almost surely, 2^211013012304 is an apocalyptic number.

211013012304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211013012304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (320386240000).

211013012304 is an abundant number, since it is smaller than the sum of its proper divisors (429759467696).

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

211013012304 is a wasteful number, since it uses less digits than its factorization.

211013012304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129422 (or 129410 counting only the distinct ones).

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

Adding to 211013012304 its reverse (403210310112), we get a palindrome (614223322416).

The spelling of 211013012304 in words is "two hundred eleven billion, thirteen million, twelve thousand, three hundred four".