212021010230 has 64 divisors (see below), whose sum is σ = 391603230720. Its totient is φ = 82623936384.

The previous prime is 212021010217. The next prime is 212021010233. The reversal of 212021010230 is 32010120212.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212021010233) 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, 71699912 + ... + 71702868.

It is an arithmetic number, because the mean of its divisors is an integer number (6118800480).

Almost surely, 2^212021010230 is an apocalyptic number.

212021010230 is a deficient number, since it is larger than the sum of its proper divisors (179582220490).

212021010230 is a wasteful number, since it uses less digits than its factorization.

212021010230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4173.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 212021010230 its reverse (32010120212), we get a palindrome (244031130442).

The spelling of 212021010230 in words is "two hundred twelve billion, twenty-one million, ten thousand, two hundred thirty".