122226212217652 has 12 divisors (see below), whose sum is σ = 214138658982276. Its totient is φ = 61043738222720.

The previous prime is 122226212217623. The next prime is 122226212217713. The reversal of 122226212217652 is 256712212622221.

It can be written as a sum of positive squares in 2 ways, for example, as 81554012087076 + 40672200130576 = 9030726^2 + 6377476^2 .

It is a junction number, because it is equal to n+sod(n) for n = 122226212217599 and 122226212217608.

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, 17341967563 + ... + 17341974610.

It is an arithmetic number, because the mean of its divisors is an integer number (17844888248523).

Almost surely, 2^{122226212217652} is an apocalyptic number.

It is an amenable number.

122226212217652 is a deficient number, since it is larger than the sum of its proper divisors (91912446764624).

122226212217652 is a wasteful number, since it uses less digits than its factorization.

122226212217652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34683943058 (or 34683943056 counting only the distinct ones).

The product of its digits is 322560, while the sum is 43.

Adding to 122226212217652 its reverse (256712212622221), we get a palindrome (378938424839873).

The spelling of 122226212217652 in words is "one hundred twenty-two trillion, two hundred twenty-six billion, two hundred twelve million, two hundred seventeen thousand, six hundred fifty-two".