212230012230 has 48 divisors (see below), whose sum is σ = 552062665440. Its totient is φ = 56567528064.

The previous prime is 212230012219. The next prime is 212230012271. The reversal of 212230012230 is 32210032212.

212230012230 is a `hidden beast` number, since 2 + 122 + 300 + 12 + 230 = 666.

It is a super-2 number, since 2×212230012230² (a number of 23 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 376402 + ... + 752421.

It is an arithmetic number, because the mean of its divisors is an integer number (11501305530).

Almost surely, 2^212230012230 is an apocalyptic number.

212230012230 is an abundant number, since it is smaller than the sum of its proper divisors (339832653210).

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

212230012230 is a wasteful number, since it uses less digits than its factorization.

212230012230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130925 (or 1130922 counting only the distinct ones).

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

Adding to 212230012230 its reverse (32210032212), we get a palindrome (244440044442).

The spelling of 212230012230 in words is "two hundred twelve billion, two hundred thirty million, twelve thousand, two hundred thirty".