122120212201212 has 24 divisors (see below), whose sum is σ = 285014350594512. Its totient is φ = 40697139001600.

The previous prime is 122120212201171. The next prime is 122120212201223. The reversal of 122120212201212 is 212102212021221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1199746839 + ... + 1199848622.

It is an arithmetic number, because the mean of its divisors is an integer number (11875597941438).

Almost surely, 2^{122120212201212} is an apocalyptic number.

122120212201212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122120212201212 is an abundant number, since it is smaller than the sum of its proper divisors (162894138393300).

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

122120212201212 is a wasteful number, since it uses less digits than its factorization.

122120212201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2399599709 (or 2399599707 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 122120212201212 its reverse (212102212021221), we get a palindrome (334222424222433).

The spelling of 122120212201212 in words is "one hundred twenty-two trillion, one hundred twenty billion, two hundred twelve million, two hundred one thousand, two hundred twelve".