122000000212 has 6 divisors (see below), whose sum is σ = 213500000378. Its totient is φ = 61000000104.

The previous prime is 122000000209. The next prime is 122000000299. The reversal of 122000000212 is 212000000221.

It can be written as a sum of positive squares in only one way, i.e., 121294779076 + 705221136 = 348274^2 + 26556^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15250000023 + ... + 15250000030.

Almost surely, 2^122000000212 is an apocalyptic number.

It is an amenable number.

122000000212 is a deficient number, since it is larger than the sum of its proper divisors (91500000166).

122000000212 is a wasteful number, since it uses less digits than its factorization.

122000000212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30500000057 (or 30500000055 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 122000000212 its reverse (212000000221), we get a palindrome (334000000433).

Subtracting 122000000212 from its reverse (212000000221), we obtain a palindrome (90000000009).

The spelling of 122000000212 in words is "one hundred twenty-two billion, two hundred twelve", and thus it is an aban number.