1223332300021 has 8 divisors (see below), whose sum is σ = 1317480742424. Its totient is φ = 1129190423040.

The previous prime is 1223332299997. The next prime is 1223332300087. The reversal of 1223332300021 is 1200032333221.

It can be written as a sum of positive squares in 4 ways, for example, as 11657520900 + 1211674779121 = 107970^2 + 1100761^2 .

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 1223332300021 - 2⁵ = 1223332299989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1223332299965 and 1223332300001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223332300121) 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, 1250916 + ... + 2002861.

It is an arithmetic number, because the mean of its divisors is an integer number (164685092803).

Almost surely, 2^{1223332300021} is an apocalyptic number.

It is an amenable number.

1223332300021 is a deficient number, since it is larger than the sum of its proper divisors (94148442403).

1223332300021 is a wasteful number, since it uses less digits than its factorization.

1223332300021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3282711.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 1223332300021 its reverse (1200032333221), we get a palindrome (2423364633242).

The spelling of 1223332300021 in words is "one trillion, two hundred twenty-three billion, three hundred thirty-two million, three hundred thousand, twenty-one".