122687018356 has 24 divisors (see below), whose sum is σ = 249396565376. Its totient is φ = 51718180320.

The previous prime is 122687018353. The next prime is 122687018381. The reversal of 122687018356 is 653810786221.

It is a happy number.

122687018356 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122687018353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35913696 + ... + 35917111.

Almost surely, 2^122687018356 is an apocalyptic number.

It is an amenable number.

122687018356 is an abundant number, since it is smaller than the sum of its proper divisors (126709547020).

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

122687018356 is a wasteful number, since it uses less digits than its factorization.

122687018356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71830879 (or 71830877 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 122687018356 in words is "one hundred twenty-two billion, six hundred eighty-seven million, eighteen thousand, three hundred fifty-six".