212143312214222 has 16 divisors (see below), whose sum is σ = 319647538828800. Its totient is φ = 105594222495288.

The previous prime is 212143312214179. The next prime is 212143312214243. The reversal of 212143312214222 is 222412213341212.

It is a happy number.

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, 17746208 + ... + 27188499.

It is an arithmetic number, because the mean of its divisors is an integer number (19977971176800).

Almost surely, 2^{212143312214222} is an apocalyptic number.

212143312214222 is a deficient number, since it is larger than the sum of its proper divisors (107504226614578).

212143312214222 is a wasteful number, since it uses less digits than its factorization.

212143312214222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44945335.

The product of its digits is 18432, while the sum is 32.

Adding to 212143312214222 its reverse (222412213341212), we get a palindrome (434555525555434).

The spelling of 212143312214222 in words is "two hundred twelve trillion, one hundred forty-three billion, three hundred twelve million, two hundred fourteen thousand, two hundred twenty-two".