122223402212 has 12 divisors (see below), whose sum is σ = 213908244396. Its totient is φ = 61106760960.

The previous prime is 122223402187. The next prime is 122223402221. The reversal of 122223402212 is 212204322221.

It can be written as a sum of positive squares in 2 ways, for example, as 38688529636 + 83534872576 = 196694^2 + 289024^2 .

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, 1179089 + ... + 1278552.

It is an arithmetic number, because the mean of its divisors is an integer number (17825687033).

Almost surely, 2^122223402212 is an apocalyptic number.

It is an amenable number.

122223402212 is a deficient number, since it is larger than the sum of its proper divisors (91684842184).

122223402212 is a wasteful number, since it uses less digits than its factorization.

122223402212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2470078 (or 2470076 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 122223402212 its reverse (212204322221), we get a palindrome (334427724433).

The spelling of 122223402212 in words is "one hundred twenty-two billion, two hundred twenty-three million, four hundred two thousand, two hundred twelve".