122121030300 has 72 divisors (see below), whose sum is σ = 353433628800. Its totient is φ = 32556688320.

The previous prime is 122121030137. The next prime is 122121030307. The reversal of 122121030300 is 3030121221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 122121030300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122121030307) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1079841 + ... + 1187559.

It is an arithmetic number, because the mean of its divisors is an integer number (4908800400).

Almost surely, 2^122121030300 is an apocalyptic number.

122121030300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122121030300 is an abundant number, since it is smaller than the sum of its proper divisors (231312598500).

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

122121030300 is a wasteful number, since it uses less digits than its factorization.

122121030300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111515 (or 111508 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 122121030300 its reverse (3030121221), we get a palindrome (125151151521).

The spelling of 122121030300 in words is "one hundred twenty-two billion, one hundred twenty-one million, thirty thousand, three hundred".