122012220020212 has 24 divisors (see below), whose sum is σ = 213580870852104. Its totient is φ = 60989116250112.

The previous prime is 122012220020179. The next prime is 122012220020213. The reversal of 122012220020212 is 212020022210221.

It can be written as a sum of positive squares in 4 ways, for example, as 9442751284836 + 112569468735376 = 3072906^2 + 10609876^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 122012220020212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122012220020213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229505328 + ... + 230036344.

It is an arithmetic number, because the mean of its divisors is an integer number (8899202952171).

Almost surely, 2^{122012220020212} is an apocalyptic number.

It is an amenable number.

122012220020212 is a deficient number, since it is larger than the sum of its proper divisors (91568650831892).

122012220020212 is a wasteful number, since it uses less digits than its factorization.

122012220020212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546915 (or 546913 counting only the distinct ones).

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

Adding to 122012220020212 its reverse (212020022210221), we get a palindrome (334032242230433).

The spelling of 122012220020212 in words is "one hundred twenty-two trillion, twelve billion, two hundred twenty million, twenty thousand, two hundred twelve".