122647655130 has 576 divisors, whose sum is σ = 415759298688. Its totient is φ = 22870149120.

The previous prime is 122647655113. The next prime is 122647655131. The reversal of 122647655130 is 31556746221.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (122647655131) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 101110404 + ... + 101111616.

It is an arithmetic number, because the mean of its divisors is an integer number (721804338).

Almost surely, 2^122647655130 is an apocalyptic number.

122647655130 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 122647655130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207879649344).

122647655130 is an abundant number, since it is smaller than the sum of its proper divisors (293111643558).

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

122647655130 is a wasteful number, since it uses less digits than its factorization.

122647655130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311 (or 1291 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 42.

It can be divided in two parts, 122647 and 655130, that added together give a palindrome (777777).

The spelling of 122647655130 in words is "one hundred twenty-two billion, six hundred forty-seven million, six hundred fifty-five thousand, one hundred thirty".