122547412650 has 96 divisors (see below), whose sum is σ = 338582079360. Its totient is φ = 29125313280.

The previous prime is 122547412613. The next prime is 122547412657. The reversal of 122547412650 is 56214745221.

122547412650 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 122547412599 and 122547412608.

It is not an unprimeable number, because it can be changed into a prime (122547412657) 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 47 ways as a sum of consecutive naturals, for example, 1026982 + ... + 1140081.

It is an arithmetic number, because the mean of its divisors is an integer number (3526896660).

Almost surely, 2^122547412650 is an apocalyptic number.

122547412650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122547412650 is an abundant number, since it is smaller than the sum of its proper divisors (216034666710).

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

122547412650 is a wasteful number, since it uses less digits than its factorization.

122547412650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2167120 (or 2167115 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 39.

The spelling of 122547412650 in words is "one hundred twenty-two billion, five hundred forty-seven million, four hundred twelve thousand, six hundred fifty".