122020201111212 has 72 divisors (see below), whose sum is σ = 317481684156000. Its totient is φ = 39485980735488.

The previous prime is 122020201111189. The next prime is 122020201111213. The reversal of 122020201111212 is 212111102020221.

122020201111212 is a `hidden beast` number, since 1 + 220 + 20 + 201 + 1 + 11 + 212 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (122020201111213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101413912 + ... + 102610047.

It is an arithmetic number, because the mean of its divisors is an integer number (4409467835500).

Almost surely, 2^{122020201111212} is an apocalyptic number.

122020201111212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122020201111212 is an abundant number, since it is smaller than the sum of its proper divisors (195461483044788).

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

122020201111212 is a wasteful number, since it uses less digits than its factorization.

122020201111212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204024455 (or 204024450 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 122020201111212 its reverse (212111102020221), we get a palindrome (334131303131433).

Subtracting 122020201111212 from its reverse (212111102020221), we obtain a palindrome (90090900909009).

The spelling of 122020201111212 in words is "one hundred twenty-two trillion, twenty billion, two hundred one million, one hundred eleven thousand, two hundred twelve".