122120020012 has 12 divisors (see below), whose sum is σ = 213712483600. Its totient is φ = 61059310416.

The previous prime is 122120020003. The next prime is 122120020019. The reversal of 122120020012 is 210020021221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 122120019974 and 122120020001.

It is not an unprimeable number, because it can be changed into a prime (122120020019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 577489 + ... + 760087.

Almost surely, 2^122120020012 is an apocalyptic number.

It is an amenable number.

122120020012 is a deficient number, since it is larger than the sum of its proper divisors (91592463588).

122120020012 is a wasteful number, since it uses less digits than its factorization.

122120020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349800 (or 349798 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 122120020012 its reverse (210020021221), we get a palindrome (332140041233).

The spelling of 122120020012 in words is "one hundred twenty-two billion, one hundred twenty million, twenty thousand, twelve".