212120012200222 has 128 divisors (see below), whose sum is σ = 382733077708800. Its totient is φ = 86255893785600.

The previous prime is 212120012200181. The next prime is 212120012200237. The reversal of 212120012200222 is 222002210021212.

It is a self number, because there is not a number n which added to its sum of digits gives 212120012200222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11922874147 + ... + 11922891937.

It is an arithmetic number, because the mean of its divisors is an integer number (2990102169600).

Almost surely, 2^{212120012200222} is an apocalyptic number.

212120012200222 is a deficient number, since it is larger than the sum of its proper divisors (170613065508578).

212120012200222 is a wasteful number, since it uses less digits than its factorization.

212120012200222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19922.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 212120012200222 its reverse (222002210021212), we get a palindrome (434122222221434).

The spelling of 212120012200222 in words is "two hundred twelve trillion, one hundred twenty billion, twelve million, two hundred thousand, two hundred twenty-two".