201212202021122 has 16 divisors (see below), whose sum is σ = 322622321801472. Its totient is φ = 93884802638880.

The previous prime is 201212202021119. The next prime is 201212202021209. The reversal of 201212202021122 is 221120202212102.

It is a junction number, because it is equal to n+sod(n) for n = 201212202021094 and 201212202021103.

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, 53343635978 + ... + 53343639749.

It is an arithmetic number, because the mean of its divisors is an integer number (20163895112592).

Almost surely, 2^{201212202021122} is an apocalyptic number.

201212202021122 is a deficient number, since it is larger than the sum of its proper divisors (121410119780350).

201212202021122 is a wasteful number, since it uses less digits than its factorization.

201212202021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106687275793.

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

Adding to 201212202021122 its reverse (221120202212102), we get a palindrome (422332404233224).

The spelling of 201212202021122 in words is "two hundred one trillion, two hundred twelve billion, two hundred two million, twenty-one thousand, one hundred twenty-two".