122300212021 has 8 divisors (see below), whose sum is σ = 131936192024. Its totient is φ = 112696842240.

The previous prime is 122300212019. The next prime is 122300212079. The reversal of 122300212021 is 120212003221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 13805075025 + 108495136996 = 117495^2 + 329386^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122300212021 - 2¹ = 122300212019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122300211986 and 122300212004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122300212621) 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 7 ways as a sum of consecutive naturals, for example, 8144760 + ... + 8159761.

It is an arithmetic number, because the mean of its divisors is an integer number (16492024003).

Almost surely, 2^122300212021 is an apocalyptic number.

It is an amenable number.

122300212021 is a deficient number, since it is larger than the sum of its proper divisors (9635980003).

122300212021 is a wasteful number, since it uses less digits than its factorization.

122300212021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16305111.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 122300212021 its reverse (120212003221), we get a palindrome (242512215242).

The spelling of 122300212021 in words is "one hundred twenty-two billion, three hundred million, two hundred twelve thousand, twenty-one".