122021210212 has 12 divisors (see below), whose sum is σ = 232949583216. Its totient is φ = 55464186440.

The previous prime is 122021210203. The next prime is 122021210251. The reversal of 122021210212 is 212012120221.

It is a happy 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 in 3 ways as a sum of consecutive naturals, for example, 1386604618 + ... + 1386604705.

It is an arithmetic number, because the mean of its divisors is an integer number (19412465268).

Almost surely, 2^122021210212 is an apocalyptic number.

It is an amenable number.

122021210212 is a deficient number, since it is larger than the sum of its proper divisors (110928373004).

122021210212 is a wasteful number, since it uses less digits than its factorization.

122021210212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2773209338 (or 2773209336 counting only the distinct ones).

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

Adding to 122021210212 its reverse (212012120221), we get a palindrome (334033330433).

It can be divided in two parts, 122021 and 210212, that added together give a palindrome (332233).

The spelling of 122021210212 in words is "one hundred twenty-two billion, twenty-one million, two hundred ten thousand, two hundred twelve".