122311440200256 has 56 divisors (see below), whose sum is σ = 323642102893824. Its totient is φ = 40767151895040.

The previous prime is 122311440200239. The next prime is 122311440200353. The reversal of 122311440200256 is 652002044113221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23642640 + ... + 28347791.

Almost surely, 2^{122311440200256} is an apocalyptic number.

122311440200256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

122311440200256 is an abundant number, since it is smaller than the sum of its proper divisors (201330662693568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122311440200256 is a wasteful number, since it uses less digits than its factorization.

122311440200256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52002699 (or 52002689 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

Adding to 122311440200256 its reverse (652002044113221), we get a palindrome (774313484313477).

The spelling of 122311440200256 in words is "one hundred twenty-two trillion, three hundred eleven billion, four hundred forty million, two hundred thousand, two hundred fifty-six".