122210011100212 has 18 divisors (see below), whose sum is σ = 248784665454402. Its totient is φ = 52375719042864.

The previous prime is 122210011100209. The next prime is 122210011100249. The reversal of 122210011100212 is 212001110012221.

It can be written as a sum of positive squares in only one way, i.e., 66534626079376 + 55675385020836 = 8156876^2 + 7461594^2 .

It is a super-2 number, since 2×122210011100212² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 311760232203 + ... + 311760232594.

Almost surely, 2^{122210011100212} is an apocalyptic number.

It is an amenable number.

122210011100212 is an abundant number, since it is smaller than the sum of its proper divisors (126574654354190).

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

122210011100212 is a wasteful number, since it uses less digits than its factorization.

122210011100212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623520464815 (or 623520464806 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 122210011100212 its reverse (212001110012221), we get a palindrome (334211121112433).

The spelling of 122210011100212 in words is "one hundred twenty-two trillion, two hundred ten billion, eleven million, one hundred thousand, two hundred twelve".