122101220212 has 6 divisors (see below), whose sum is σ = 213677135378. Its totient is φ = 61050610104.

The previous prime is 122101220159. The next prime is 122101220231. The reversal of 122101220212 is 212022101221.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 80323495396 + 41777724816 = 283414^2 + 204396^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15262652523 + ... + 15262652530.

Almost surely, 2^122101220212 is an apocalyptic number.

It is an amenable number.

122101220212 is a deficient number, since it is larger than the sum of its proper divisors (91575915166).

122101220212 is a wasteful number, since it uses less digits than its factorization.

122101220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30525305057 (or 30525305055 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 122101220212 its reverse (212022101221), we get a palindrome (334123321433).

The spelling of 122101220212 in words is "one hundred twenty-two billion, one hundred one million, two hundred twenty thousand, two hundred twelve".