201212222102210 has 32 divisors (see below), whose sum is σ = 398800230881472. Its totient is φ = 72484266921280.

The previous prime is 201212222102197. The next prime is 201212222102233. The reversal of 201212222102210 is 12201222212102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8547661217 + ... + 8547684756.

It is an arithmetic number, because the mean of its divisors is an integer number (12462507215046).

Almost surely, 2^{201212222102210} is an apocalyptic number.

201212222102210 is a deficient number, since it is larger than the sum of its proper divisors (197588008779262).

201212222102210 is a wasteful number, since it uses less digits than its factorization.

201212222102210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17095346098.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 201212222102210 its reverse (12201222212102), we get a palindrome (213413444314312).

The spelling of 201212222102210 in words is "two hundred one trillion, two hundred twelve billion, two hundred twenty-two million, one hundred two thousand, two hundred ten".