122260321256 has 16 divisors (see below), whose sum is σ = 229245569700. Its totient is φ = 61128169344.

The previous prime is 122260321241. The next prime is 122260321273. The reversal of 122260321256 is 652123062221.

It can be written as a sum of positive squares in 2 ways, for example, as 122174017156 + 86304100 = 349534^2 + 9290^2 .

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, 30476 + ... + 495428.

Almost surely, 2^122260321256 is an apocalyptic number.

It is an amenable number.

122260321256 is a deficient number, since it is larger than the sum of its proper divisors (106985248444).

122260321256 is a wasteful number, since it uses less digits than its factorization.

122260321256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497828 (or 497824 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 122260321256 its reverse (652123062221), we get a palindrome (774383383477).

The spelling of 122260321256 in words is "one hundred twenty-two billion, two hundred sixty million, three hundred twenty-one thousand, two hundred fifty-six".