122256652386 has 64 divisors (see below), whose sum is σ = 276084547200. Its totient is φ = 35751206400.

The previous prime is 122256652381. The next prime is 122256652387. The reversal of 122256652386 is 683256652221.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (122256652381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3867766 + ... + 3899246.

It is an arithmetic number, because the mean of its divisors is an integer number (4313821050).

Almost surely, 2^122256652386 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122256652386, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138042273600).

122256652386 is an abundant number, since it is smaller than the sum of its proper divisors (153827894814).

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

122256652386 is a wasteful number, since it uses less digits than its factorization.

122256652386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33555.

The product of its digits is 2073600, while the sum is 48.

The spelling of 122256652386 in words is "one hundred twenty-two billion, two hundred fifty-six million, six hundred fifty-two thousand, three hundred eighty-six".