122320212 has 48 divisors (see below), whose sum is σ = 326860800. Its totient is φ = 34876512.

The previous prime is 122320207. The next prime is 122320217. The reversal of 122320212 is 212023221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (122320207) and next prime (122320217).

It is a junction number, because it is equal to n+sod(n) for n = 122320191 and 122320200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122320217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49789 + ... + 52187.

It is an arithmetic number, because the mean of its divisors is an integer number (6809600).

Almost surely, 2^122320212 is an apocalyptic number.

122320212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122320212 is an abundant number, since it is smaller than the sum of its proper divisors (204540588).

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

122320212 is a wasteful number, since it uses less digits than its factorization.

122320212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3020 (or 3018 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 122320212 is about 11059.8468343825. The cubic root of 122320212 is about 496.4011074285.

Adding to 122320212 its reverse (212023221), we get a palindrome (334343433).

The spelling of 122320212 in words is "one hundred twenty-two million, three hundred twenty thousand, two hundred twelve".