122021101212 has 48 divisors (see below), whose sum is σ = 302083165440. Its totient is φ = 38202492672.

The previous prime is 122021101151. The next prime is 122021101231. The reversal of 122021101212 is 212101120221.

It is a junction number, because it is equal to n+sod(n) for n = 122021101191 and 122021101200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 514762 + ... + 713457.

It is an arithmetic number, because the mean of its divisors is an integer number (6293399280).

Almost surely, 2^122021101212 is an apocalyptic number.

122021101212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122021101212 is an abundant number, since it is smaller than the sum of its proper divisors (180062064228).

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

122021101212 is a wasteful number, since it uses less digits than its factorization.

122021101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228730 (or 1228728 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 122021101212 its reverse (212101120221), we get a palindrome (334122221433).

The spelling of 122021101212 in words is "one hundred twenty-two billion, twenty-one million, one hundred one thousand, two hundred twelve".