212310122212 has 12 divisors (see below), whose sum is σ = 372752952880. Its totient is φ = 105809278536.

The previous prime is 212310122209. The next prime is 212310122231. The reversal of 212310122212 is 212221013212.

It is a self number, because there is not a number n which added to its sum of digits gives 212310122212.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86444262 + ... + 86446717.

Almost surely, 2^212310122212 is an apocalyptic number.

It is an amenable number.

212310122212 is a deficient number, since it is larger than the sum of its proper divisors (160442830668).

212310122212 is a wasteful number, since it uses less digits than its factorization.

212310122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172891290 (or 172891288 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 212310122212 its reverse (212221013212), we get a palindrome (424531135424).

The spelling of 212310122212 in words is "two hundred twelve billion, three hundred ten million, one hundred twenty-two thousand, two hundred twelve".