122020212 has 24 divisors (see below), whose sum is σ = 286890912. Its totient is φ = 40362400.

The previous prime is 122020211. The next prime is 122020229. The reversal of 122020212 is 212020221.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122020211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37239 + ... + 40382.

It is an arithmetic number, because the mean of its divisors is an integer number (11953788).

Almost surely, 2^122020212 is an apocalyptic number.

122020212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122020212 is an abundant number, since it is smaller than the sum of its proper divisors (164870700).

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

122020212 is a wasteful number, since it uses less digits than its factorization.

122020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77759 (or 77757 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 122020212 is about 11046.2759335443. The cubic root of 122020212 is about 495.9949542064.

Adding to 122020212 its reverse (212020221), we get a palindrome (334040433).

Subtracting 122020212 from its reverse (212020221), we obtain a palindrome (90000009).

The spelling of 122020212 in words is "one hundred twenty-two million, twenty thousand, two hundred twelve".