212012203222122 has 32 divisors (see below), whose sum is σ = 432081844674048. Its totient is φ = 69328179750336.

The previous prime is 212012203222111. The next prime is 212012203222133. The reversal of 212012203222122 is 221222302210212.

It is an interprime number because it is at equal distance from previous prime (212012203222111) and next prime (212012203222133).

It is a junction number, because it is equal to n+sod(n) for n = 212012203222092 and 212012203222101.

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, 41549113 + ... + 46371900.

It is an arithmetic number, because the mean of its divisors is an integer number (13502557646064).

Almost surely, 2^{212012203222122} is an apocalyptic number.

212012203222122 is an abundant number, since it is smaller than the sum of its proper divisors (220069641451926).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212012203222122 is a wasteful number, since it uses less digits than its factorization.

212012203222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87928654.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 212012203222122 its reverse (221222302210212), we get a palindrome (433234505432334).

The spelling of 212012203222122 in words is "two hundred twelve trillion, twelve billion, two hundred three million, two hundred twenty-two thousand, one hundred twenty-two".