122998786430 has 48 divisors (see below), whose sum is σ = 240495783264. Its totient is φ = 45271474560.

The previous prime is 122998786373. The next prime is 122998786453. The reversal of 122998786430 is 34687899221.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 122998786430.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 420935 + ... + 650525.

It is an arithmetic number, because the mean of its divisors is an integer number (5010328818).

Almost surely, 2^122998786430 is an apocalyptic number.

122998786430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122998786430 is a deficient number, since it is larger than the sum of its proper divisors (117496996834).

122998786430 is a wasteful number, since it uses less digits than its factorization.

122998786430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229941 (or 229928 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 59.

The spelling of 122998786430 in words is "one hundred twenty-two billion, nine hundred ninety-eight million, seven hundred eighty-six thousand, four hundred thirty".