122812143630 has 128 divisors (see below), whose sum is σ = 327546464256. Its totient is φ = 29219097600.

The previous prime is 122812143611. The next prime is 122812143661. The reversal of 122812143630 is 36341218221.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 122812143591 and 122812143600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9313602 + ... + 9326778.

It is an arithmetic number, because the mean of its divisors is an integer number (2558956752).

Almost surely, 2^122812143630 is an apocalyptic number.

122812143630 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 122812143630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163773232128).

122812143630 is an abundant number, since it is smaller than the sum of its proper divisors (204734320626).

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

122812143630 is a wasteful number, since it uses less digits than its factorization.

122812143630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13722.

The product of its (nonzero) digits is 13824, while the sum is 33.

The spelling of 122812143630 in words is "one hundred twenty-two billion, eight hundred twelve million, one hundred forty-three thousand, six hundred thirty".