212204211043222 has 4 divisors (see below), whose sum is σ = 318306316564836. Its totient is φ = 106102105521610.

The previous prime is 212204211043219. The next prime is 212204211043241. The reversal of 212204211043222 is 222340112402212.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53051052760804 + ... + 53051052760807.

It is an arithmetic number, because the mean of its divisors is an integer number (79576579141209).

Almost surely, 2^{212204211043222} is an apocalyptic number.

212204211043222 is a deficient number, since it is larger than the sum of its proper divisors (106102105521614).

212204211043222 is a wasteful number, since it uses less digits than its factorization.

212204211043222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106102105521613.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 212204211043222 its reverse (222340112402212), we get a palindrome (434544323445434).

The spelling of 212204211043222 in words is "two hundred twelve trillion, two hundred four billion, two hundred eleven million, forty-three thousand, two hundred twenty-two".