212012022211222 has 16 divisors (see below), whose sum is σ = 328854468706992. Its totient is φ = 102453570853920.

The previous prime is 212012022211193. The next prime is 212012022211243. The reversal of 212012022211222 is 222112220210212.

It is a junction number, because it is equal to n+sod(n) for n = 212012022211193 and 212012022211202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14926212429 + ... + 14926226632.

It is an arithmetic number, because the mean of its divisors is an integer number (20553404294187).

Almost surely, 2^{212012022211222} is an apocalyptic number.

212012022211222 is a deficient number, since it is larger than the sum of its proper divisors (116842446495770).

212012022211222 is a wasteful number, since it uses less digits than its factorization.

212012022211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29852439183.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 212012022211222 its reverse (222112220210212), we get a palindrome (434124242421434).

The spelling of 212012022211222 in words is "two hundred twelve trillion, twelve billion, twenty-two million, two hundred eleven thousand, two hundred twenty-two".