212013235230 has 16 divisors (see below), whose sum is σ = 508831764624. Its totient is φ = 56536862720.

The previous prime is 212013235229. The next prime is 212013235237. The reversal of 212013235230 is 32532310212.

It is a happy number.

It is a super-4 number, since 4×212013235230⁴ (a number of 46 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 212013235230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212013235237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3533553891 + ... + 3533553950.

It is an arithmetic number, because the mean of its divisors is an integer number (31801985289).

Almost surely, 2^212013235230 is an apocalyptic number.

212013235230 is an abundant number, since it is smaller than the sum of its proper divisors (296818529394).

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

212013235230 is a wasteful number, since it uses less digits than its factorization.

212013235230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7067107851.

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 212013235230 its reverse (32532310212), we get a palindrome (244545545442).

The spelling of 212013235230 in words is "two hundred twelve billion, thirteen million, two hundred thirty-five thousand, two hundred thirty".