212021222201222 has 16 divisors (see below), whose sum is σ = 364052133219840. Its totient is φ = 90719442867528.

The previous prime is 212021222201209. The next prime is 212021222201281. The reversal of 212021222201222 is 222102222120212.

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, 12232925918 + ... + 12232943249.

It is an arithmetic number, because the mean of its divisors is an integer number (22753258326240).

Almost surely, 2^{212021222201222} is an apocalyptic number.

212021222201222 is a deficient number, since it is larger than the sum of its proper divisors (152030911018618).

212021222201222 is a wasteful number, since it uses less digits than its factorization.

212021222201222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24465869795.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 212021222201222 its reverse (222102222120212), we get a palindrome (434123444321434).

The spelling of 212021222201222 in words is "two hundred twelve trillion, twenty-one billion, two hundred twenty-two million, two hundred one thousand, two hundred twenty-two".