122838720380 has 12 divisors (see below), whose sum is σ = 257961312840. Its totient is φ = 49135488144.

The previous prime is 122838720359. The next prime is 122838720383. The reversal of 122838720380 is 83027838221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122838720383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3070967990 + ... + 3070968029.

It is an arithmetic number, because the mean of its divisors is an integer number (21496776070).

Almost surely, 2^122838720380 is an apocalyptic number.

122838720380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122838720380 is an abundant number, since it is smaller than the sum of its proper divisors (135122592460).

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

122838720380 is a wasteful number, since it uses less digits than its factorization.

122838720380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6141936028 (or 6141936026 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 44.

The spelling of 122838720380 in words is "one hundred twenty-two billion, eight hundred thirty-eight million, seven hundred twenty thousand, three hundred eighty".