122843513430 has 192 divisors, whose sum is σ = 353872696320. Its totient is φ = 29316268800.

The previous prime is 122843513423. The next prime is 122843513431. The reversal of 122843513430 is 34315348221.

122843513430 is a `hidden beast` number, since 1 + 2 + 284 + 35 + 1 + 343 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122843513431) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 85963956 + ... + 85965384.

It is an arithmetic number, because the mean of its divisors is an integer number (1843086960).

Almost surely, 2^122843513430 is an apocalyptic number.

122843513430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 122843513430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176936348160).

122843513430 is an abundant number, since it is smaller than the sum of its proper divisors (231029182890).

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

122843513430 is a wasteful number, since it uses less digits than its factorization.

122843513430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2747 (or 2744 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 122843513430 in words is "one hundred twenty-two billion, eight hundred forty-three million, five hundred thirteen thousand, four hundred thirty".