122131000200 has 384 divisors, whose sum is σ = 433169596800. Its totient is φ = 28191744000.

The previous prime is 122131000169. The next prime is 122131000207. The reversal of 122131000200 is 2000131221.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (122131000207) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 13967830 + ... + 13976570.

It is an arithmetic number, because the mean of its divisors is an integer number (1128045825).

Almost surely, 2^122131000200 is an apocalyptic number.

122131000200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122131000200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216584798400).

122131000200 is an abundant number, since it is smaller than the sum of its proper divisors (311038596600).

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

122131000200 is a wasteful number, since it uses less digits than its factorization.

122131000200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8873 (or 8864 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 122131000200 its reverse (2000131221), we get a palindrome (124131131421).

The spelling of 122131000200 in words is "one hundred twenty-two billion, one hundred thirty-one million, two hundred", and thus it is an aban number.