122420212 has 24 divisors (see below), whose sum is σ = 217486080. Its totient is φ = 60287040.

The previous prime is 122420203. The next prime is 122420227. The reversal of 122420212 is 212024221.

It is a super-2 number, since 2×122420212² = 29973416612249888, which contains 22 as substring.

It is a plaindrome in base 14.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 123037 + ... + 124027.

It is an arithmetic number, because the mean of its divisors is an integer number (9061920).

Almost surely, 2^122420212 is an apocalyptic number.

It is an amenable number.

122420212 is a deficient number, since it is larger than the sum of its proper divisors (95065868).

122420212 is a wasteful number, since it uses less digits than its factorization.

122420212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1431 (or 1429 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 122420212 is about 11064.3667690474. The cubic root of 122420212 is about 496.5363442486.

Adding to 122420212 its reverse (212024221), we get a palindrome (334444433).

The spelling of 122420212 in words is "one hundred twenty-two million, four hundred twenty thousand, two hundred twelve".