122186049984 has 168 divisors, whose sum is σ = 370247052240. Its totient is φ = 38418665472.

The previous prime is 122186049983. The next prime is 122186050013. The reversal of 122186049984 is 489940681221.

It is a happy number.

122186049984 is a `hidden beast` number, since 1 + 2 + 2 + 18 + 60 + 499 + 84 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 122186049984.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122186049983) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2525994 + ... + 2573910.

Almost surely, 2^122186049984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122186049984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185123526120).

122186049984 is an abundant number, since it is smaller than the sum of its proper divisors (248061002256).

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

122186049984 is a wasteful number, since it uses less digits than its factorization.

122186049984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48187 (or 48174 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 54.

The spelling of 122186049984 in words is "one hundred twenty-two billion, one hundred eighty-six million, forty-nine thousand, nine hundred eighty-four".