212112311301230 has 8 divisors (see below), whose sum is σ = 381802160342232. Its totient is φ = 84844924520488.

The previous prime is 212112311301173. The next prime is 212112311301239. The reversal of 212112311301230 is 32103113211212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 212112311301196 and 212112311301205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212112311301239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10605615565052 + ... + 10605615565071.

It is an arithmetic number, because the mean of its divisors is an integer number (47725270042779).

Almost surely, 2^{212112311301230} is an apocalyptic number.

212112311301230 is a deficient number, since it is larger than the sum of its proper divisors (169689849041002).

212112311301230 is a wasteful number, since it uses less digits than its factorization.

212112311301230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21211231130130.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 212112311301230 its reverse (32103113211212), we get a palindrome (244215424512442).

The spelling of 212112311301230 in words is "two hundred twelve trillion, one hundred twelve billion, three hundred eleven million, three hundred one thousand, two hundred thirty".