1200321230022 has 24 divisors (see below), whose sum is σ = 2600720016960. Its totient is φ = 400103381520.

The previous prime is 1200321229957. The next prime is 1200321230029. The reversal of 1200321230022 is 2200321230021.

1200321230022 is a `hidden beast` number, since 1 + 20 + 0 + 321 + 2 + 300 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1200321229977 and 1200321230004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200321230029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2285604 + ... + 2761272.

It is an arithmetic number, because the mean of its divisors is an integer number (108363334040).

Almost surely, 2^{1200321230022} is an apocalyptic number.

1200321230022 is an abundant number, since it is smaller than the sum of its proper divisors (1400398786938).

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

1200321230022 is a wasteful number, since it uses less digits than its factorization.

1200321230022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615868 (or 615865 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 1200321230022 its reverse (2200321230021), we get a palindrome (3400642460043).

Subtracting 1200321230022 from its reverse (2200321230021), we obtain a palindrome (999999999999).

The spelling of 1200321230022 in words is "one trillion, two hundred billion, three hundred twenty-one million, two hundred thirty thousand, twenty-two".