122021120212 has 12 divisors (see below), whose sum is σ = 213728138260. Its totient is φ = 60955937856.

The previous prime is 122021120191. The next prime is 122021120227. The reversal of 122021120212 is 212021120221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6737783056 + 115283337156 = 82084^2 + 339534^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13650537 + ... + 13659472.

Almost surely, 2^122021120212 is an apocalyptic number.

It is an amenable number.

122021120212 is a deficient number, since it is larger than the sum of its proper divisors (91707018048).

122021120212 is a wasteful number, since it uses less digits than its factorization.

122021120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27311130 (or 27311128 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 122021120212 its reverse (212021120221), we get a palindrome (334042240433).

Subtracting 122021120212 from its reverse (212021120221), we obtain a palindrome (90000000009).

The spelling of 122021120212 in words is "one hundred twenty-two billion, twenty-one million, one hundred twenty thousand, two hundred twelve".