212811096 has 64 divisors (see below), whose sum is σ = 561686400. Its totient is φ = 67004928.

The previous prime is 212811091. The next prime is 212811107. The reversal of 212811096 is 690118212.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212811091) 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, 270015 + ... + 270801.

It is an arithmetic number, because the mean of its divisors is an integer number (8776350).

Almost surely, 2^212811096 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 212811096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280843200).

212811096 is an abundant number, since it is smaller than the sum of its proper divisors (348875304).

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

212811096 is a wasteful number, since it uses less digits than its factorization.

212811096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1408 (or 1404 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 212811096 is about 14588.0463393835. The cubic root of 212811096 is about 597.0326601269.

The spelling of 212811096 in words is "two hundred twelve million, eight hundred eleven thousand, ninety-six".