212320232010 has 24 divisors (see below), whose sum is σ = 552032603460. Its totient is φ = 56618728512.

The previous prime is 212320231993. The next prime is 212320232011. The reversal of 212320232010 is 10232023212.

212320232010 is a `hidden beast` number, since 2 + 12 + 320 + 2 + 320 + 10 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 212234354721 + 85877289 = 460689^2 + 9267^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (212320232011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1179556755 + ... + 1179556934.

Almost surely, 2^212320232010 is an apocalyptic number.

212320232010 is an abundant number, since it is smaller than the sum of its proper divisors (339712371450).

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

212320232010 is a wasteful number, since it uses less digits than its factorization.

212320232010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2359113702 (or 2359113699 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 212320232010 its reverse (10232023212), we get a palindrome (222552255222).

The spelling of 212320232010 in words is "two hundred twelve billion, three hundred twenty million, two hundred thirty-two thousand, ten".