2163436212 has 96 divisors (see below), whose sum is σ = 6047741952. Its totient is φ = 588525696.

The previous prime is 2163436211. The next prime is 2163436229. The reversal of 2163436212 is 2126343612.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 2163436212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2163436211) 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, 436098 + ... + 441030.

It is an arithmetic number, because the mean of its divisors is an integer number (62997312).

Almost surely, 2^2163436212 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 2163436212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3023870976).

2163436212 is an abundant number, since it is smaller than the sum of its proper divisors (3884305740).

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

2163436212 is a wasteful number, since it uses less digits than its factorization.

2163436212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5197 (or 5195 counting only the distinct ones).

The product of its digits is 10368, while the sum is 30.

The square root of 2163436212 is about 46512.7532188754. The cubic root of 2163436212 is about 1293.3459225461.

Adding to 2163436212 its reverse (2126343612), we get a palindrome (4289779824).

The spelling of 2163436212 in words is "two billion, one hundred sixty-three million, four hundred thirty-six thousand, two hundred twelve".