212012300222 has 4 divisors (see below), whose sum is σ = 318018450336. Its totient is φ = 106006150110.

The previous prime is 212012300221. The next prime is 212012300239. The reversal of 212012300222 is 222003210212.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×212012300222² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212012300222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212012300221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53003075054 + ... + 53003075057.

It is an arithmetic number, because the mean of its divisors is an integer number (79504612584).

Almost surely, 2^212012300222 is an apocalyptic number.

212012300222 is a deficient number, since it is larger than the sum of its proper divisors (106006150114).

212012300222 is a wasteful number, since it uses less digits than its factorization.

212012300222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106006150113.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 212012300222 its reverse (222003210212), we get a palindrome (434015510434).

The spelling of 212012300222 in words is "two hundred twelve billion, twelve million, three hundred thousand, two hundred twenty-two".