2122020212212 has 6 divisors (see below), whose sum is σ = 3713535371378. Its totient is φ = 1061010106104.

The previous prime is 2122020212153. The next prime is 2122020212219. The reversal of 2122020212212 is 2122120202212.

It can be written as a sum of positive squares in only one way, i.e., 2084056027876 + 37964184336 = 1443626^2 + 194844^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2122020212212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122020212219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265252526523 + ... + 265252526530.

Almost surely, 2^{2122020212212} is an apocalyptic number.

It is an amenable number.

2122020212212 is a deficient number, since it is larger than the sum of its proper divisors (1591515159166).

2122020212212 is a wasteful number, since it uses less digits than its factorization.

2122020212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530505053057 (or 530505053055 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2122020212212 its reverse (2122120202212), we get a palindrome (4244140414424).

The spelling of 2122020212212 in words is "two trillion, one hundred twenty-two billion, twenty million, two hundred twelve thousand, two hundred twelve".