122221300213312 has 28 divisors (see below), whose sum is σ = 242738255074716. Its totient is φ = 61058905233920.

The previous prime is 122221300213303. The next prime is 122221300213343. The reversal of 122221300213312 is 213312003122221.

It can be written as a sum of positive squares in 2 ways, for example, as 91618895794176 + 30602404419136 = 9571776^2 + 5531944^2 .

It is a super-3 number, since 3×122221300213312³ (a number of 43 digits) contains 333 as substring.

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, 808437463 + ... + 808588630.

Almost surely, 2^{122221300213312} is an apocalyptic number.

It is an amenable number.

122221300213312 is a deficient number, since it is larger than the sum of its proper divisors (120516954861404).

122221300213312 is a wasteful number, since it uses less digits than its factorization.

122221300213312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1617027286 (or 1617027276 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 122221300213312 its reverse (213312003122221), we get a palindrome (335533303335533).

The spelling of 122221300213312 in words is "one hundred twenty-two trillion, two hundred twenty-one billion, three hundred million, two hundred thirteen thousand, three hundred twelve".