12021300322 has 4 divisors (see below), whose sum is σ = 18031950486. Its totient is φ = 6010650160.

The previous prime is 12021300299. The next prime is 12021300341. The reversal of 12021300322 is 22300312021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8370603081 + 3650697241 = 91491^2 + 60421^2 .

It is a super-2 number, since 2×12021300322² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12021300296 and 12021300305.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3005325079 + ... + 3005325082.

Almost surely, 2^12021300322 is an apocalyptic number.

12021300322 is a deficient number, since it is larger than the sum of its proper divisors (6010650164).

12021300322 is an equidigital number, since it uses as much as digits as its factorization.

12021300322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6010650163.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 12021300322 its reverse (22300312021), we get a palindrome (34321612343).

The spelling of 12021300322 in words is "twelve billion, twenty-one million, three hundred thousand, three hundred twenty-two".