122220221212 has 12 divisors (see below), whose sum is σ = 213889322416. Its totient is φ = 61108986240.

The previous prime is 122220221183. The next prime is 122220221231. The reversal of 122220221212 is 212122022221.

122220221212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×122220221212² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122220221212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6768 + ... + 494455.

Almost surely, 2^122220221212 is an apocalyptic number.

It is an amenable number.

122220221212 is a deficient number, since it is larger than the sum of its proper divisors (91669101204).

122220221212 is a wasteful number, since it uses less digits than its factorization.

122220221212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562188 (or 562186 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 122220221212 its reverse (212122022221), we get a palindrome (334342243433).

The spelling of 122220221212 in words is "one hundred twenty-two billion, two hundred twenty million, two hundred twenty-one thousand, two hundred twelve".